Significant Number Factoid Friday – Today The Number Is Fifty 50

“Fight Against Stupidity And Bureaucracy”

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This week’s significant number is fifty, perhaps one of the most used numbers of them all. Maybe we are so used to having it around that we don’t pay it much attention at all.

Until now.

Enjoy.

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The Number 50

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In religion

• The 50th word of the King James Version of the Bible’s Old Testament, Book of Genesis is “light”;
• There are 50 chapters in the book of Genesis in the Old Testament;
• Noah’s Ark was 50 cubits in width. “The length of the ark shall be 300 cubits, the breadth of it 50 cubits, and the height of it 30 cubits.” (Genesis, VI.15);

• Pentecost in Greek means “50th”;
• Pentecost is a Jewish summer feast held on the 50th day after the Passover;
• Pentecost is also called Whitsunday, a Christian feast, which commemorates the Descent of the Holy Ghost upon the Apostles, 50 days after Easter (Resurrection of Christ);
• 50 is also said to be one of the holiest numbers, being the sum of the squares of the sacred Pythagorean 3-4-5 triangle, i.e., 9 + 16 + 25 = 50;
• In Kabbalah, there are 50 Gates of Wisdom (or Understanding) and 50 Gates of Impurity;
• The traditional number of years in a jubilee period.

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In science and technology

• 50 is the Atomic Number of Tin (Sn) (one of the seven metals of the alchemists).
• 50 is the fifth magic number in nuclear physics.

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In space

• Open star cluster Messier 50

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• 50th Space Wing
• The 50th Space Wing (50 SW) is a wing of the United States Air Force under the major command of Air Force Space Command (AFSPC). It was activated on 30 January 1992, replacing the 2nd Space Wing, which was inactivated on the same date.
• The unit is the host wing at Schriever Air Force Base, located east of Colorado Springs, Colorado. Their primary responsibility is to track and maintain the command and control, warning, navigational, and communications satellites for AFSPC. The 50th Space Wing also manages the Global Positioning System.
• Typical satellite monitoring tasks such as tracking and telemetry are the main part of their mission, and in so doing, they employ more than 5600 personnel (active duty military, guard and reserve, contractors, and DoD civilians.)

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In politics

• Hawaii was the 50^th state to enter the union in 1960;
• There are now 50 stars on the flag of the United States of America, each representing one of the 50 states. The stars are arranged in 9 rows staggered horizontally and 11 rows staggered vertically. Diagonally they are:    1 + 3 + 5 + 7 + 9 + 9 + 7 + 5 + 3 + 1 = 50.

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In sport

• The jersey number 50 has been retired by a number of North American sports teams in honor of past playing greats or other figures.
• In Major League Baseball: the Los Angeles Angels of Anaheim, for coach Jimmie Reese, who served with the team when it was known as the California Angels.

coach Jimmie Reese California Angels

• In the NBA: the San Antonio Spurs, for Hall of Famer David Robinson.

San Antonio Spurs Hall of Famer David Robinson

• In the NFL: the New York Giants, for Hall of Famer Ken Strong.

New York Giants Hall of Famer Ken Strong

• No NHL team has retired the number, which is not frequently issued.
• Bill Barilko, was a hockey player whose final goal won the Toronto Maple Leafs the Stanley Cup. Four months and 5 days after he scored the winning goal to clinch Toronto’s seventh Stanley Cup, Barilko boarded a Fairchild 24, single-engine plane piloted by his friend Henry Hudson. He was returning home to Timmins from a fishing trip on James Bay. The plane vanished between Rupert House and Timmins. No trace of Hudson, Barilko or the Fairchild was discovered for 11 years, despite massive search efforts. The Maple Leafs were so distraught and unwilling to accept the tragedy that Barilko’s equipment remained in his usual locker room stall at the opening of the 1951 fall training camp. Rumors began circulating that Barilko, of Russian decent, had defected to the Soviet Union to teach his skills to young Soviet players. Finally on June 9, 1962, bush pilot Gary Fields came upon the wreck of a Fairchild 24, approximately 100 kilometers north of Cochrane, Ontario. Barilko was finally laid to rest in Timmins; the year that the Leafs won their first Stanley Cup since his disappearance 11 years earlier.
• The story of Barilko’s 1951 Stanley Cup heroics and his mysterious disappearance were the inspiration for The Tragically Hip song “Fifty Mission Cap”. The song appeared on the Canadian band’s third full-length album Fully Completely, and is often credited with reintroducing Barilko’s story to a younger generation.

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In militaria

• Sukhoi T-50
• The Sukhoi PAK FA  is a twin-engine jet fighter being developed by Sukhoi for the Russian Air Force. The Sukhoi T-50 is the prototype for PAK FA.
• The PAK FA is one of only a handful of stealth jet programs globally.

• The PAK FA, a fifth generation jet fighter, is intended to be the successor to the MiG-29 and Su-27 in the Russian inventory and serve as the basis of the Sukhoi/HAL FGFA being developed with India.
• The T-50 prototype performed its first flight 29 January 2010.
• By 31 August 2010, it had made 17 flights and by mid-November, 40 in total. The second T-50 was to start its flight test by the end of 2010, but this was delayed until March 2011.
• The Russian Defence Ministry will purchase the first 10 evaluation example aircraft after 2012 and then 60 production standard aircraft after 2016.
• The first batch of fighters will be delivered with current technology engines.
• The PAK-FA is expected to have a service life of about 30–35 years.

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• T-50 light infantry tank
• The T-50 light infantry tank was built by the Soviet Union at the beginning of World War II. However it was complicated and expensive, and only a short production run of 69 tanks was completed. Furthermore, even before it was ready for mass-production wartime experience invalidated the underlying concept of light tanks.

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• MKE T 50
• The HK33 is a 5.56mm assault rifle developed in the 1960s by West German armament manufacturer Heckler & Koch GmbH (H&K), primarily for export.
• Capitalizing on the success of their G3 design, the company developed a family of small arms (all using the G3 operating principle and basic design concept) consisting of four types of firearms: the first type, chambered in 7.62x51mm NATO, the second—using the Soviet 7.62x39mm M43 round, third—the intermediate 5.56x45mm caliber and the fourth type—chambered for the 9x19mm Parabellum pistol cartridge.
• The HK33 series of rifles were adopted by the Brazilian Air Force (Força Aérea Brasileira or FAB), the armed forces of Thailand and Malaysia where they were produced under a license agreement. The rifle was also license-built in France by MAS and in Turkey by MKEK. The HK33 is no longer manufactured or marketed by Heckler & Koch.

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• M107
• The M107, with a family of ammunition, enables sniper teams to employ greater destructive force at greater ranges and complements the anti-personnel precision fire capability of the M24 (7.62mm, bolt action) Sniper Weapon System (SWS).
• The primary mission of this rifle is to engage and defeat materiel targets at extended ranges to include parked aircraft; command, control, communications, computers, and intelligence (C4I) sites; radar sites; ammunition; petroleum, oil and lubricants; and various other thin skinned (lightly armored) materiel targets out to 2000 meters.
• The M107 can also be used in a counter sniper role taking advantage of the longer stand off range and increased terminal effect when opposing snipers armed with smaller caliber weapons out to 1000 meters.
• It is a semi-automatic, air-cooled, box magazine-fed rifle chambered for .50 caliber ammunition and with a 10-round removable magazine. This rifle operates by means of the short recoil principle, rather than gas.

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• Browning M2 .50 caliber (12.7mm) Machine Gun
• The Browning M2 .50 caliber (12.7mm) Machine Gun, is an iconic World War II era automatic, belt-fed, recoil operated, air-cooled, crew-operated machine gun. It is currently fielded by 20 different militaries around the world.
• The M2 machine gun is crew transportable with limited amounts of ammunition over short distances. The M2 HB machine gun is used to engage dismounted infantry, crew-served weapons, ATGM teams, light-armor vehicles, and aircraft.
• It fires from the closed-bolt position and is belt fed, recoil operated, air cooled, and crew operated. By repositioning some of the component parts, ammunition may be fed from either the left or right side. A disintegrating metallic link-belt is used to feed the ammunition into the weapon. The gun is capable of single-shot (ground M2), as well as automatic fire.  The AN/TVS-5 night-vision sight can be used with the M2 machine gun.

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• Howdah Hunter
• During the first British colony government period in India, starting from 1840, the Howdah pistols were preferred by the army officers detached in the widest territories of the Empire.
• It is a classic large caliber double barrel pistol in the English gunsmith school style, used at close range to stop tigers which commonly leaped upon elephants carrying hunters in a Howdah in the far away colonial territories.
• It is normally finished with blued barrels, engraved locks featuring wide animals in their natural habitat, and case hardened color finish. The walnut pistol grip stock is checkered and finished with a steel butt cap. Barrel Length 11 1/4″. Weight 4.41 lbs. (20 ga), 5.07 lbs. (.50)

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• Desert Eagle
• Although an American idea, the “Desert Eagle” was developed in Israel by the IMI (Israel Military Industries) in the early 1980s. The first Desert Eagles were manufactured in Israel and started appearing on gun dealers’ shelves in the US around 1985. Following a problem in meeting demand for the pistols in 1992 (and probably fearful of the prospect of government import limitations), Magnum Research started assembling parts of the gun in the US and currently is working toward full assembly and possibly manufacture of the guns stateside.
• Given the fact that the IMI is best known for the Uzi series of submachine guns and the Galil rifles, it isn’t surprising that the Desert Eagle departs radically from many other semi auto pistol designs, though the exterior belays this. The basic layout is like that of most other modern semi auto pistols (with the magazine release on the side of the grip, slide release on the left side of the frame, and a thumb-activated slide safety).
• Internally it is different. The pistol is gas-operated with a system that is more like a rifle than the delayed blow-back systems used with most other semi auto hand guns. The gas system employs a fixed, shrouded barrel which stays in position on the frame during firing, with gas coming up a port just ahead of the chamber to operate a three-lug rotating bolt that rides in the slide assembly. The fixed barrel gives the gun a lot of potential accuracy, a potential realized with most of these pistols when fired with quality ammunition.
• In addition to .357 Magnum, .41 AE, .41 Magnum, and .44 Magnum chamberings, the Desert Eagle is also available chambered for the .50 AE (Action Express).

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• The Smith & Wesson 50 calibre Revolver
• Billed by Smith & Wesson as the most Powerful Production Revolver in the World Today, this S&W revolve uses the massive .500 S&W Magnum® Cartridge with 2600 ft/lb. Muzzle Energy.
• It is designed as a hunting handgun for any game animal walking.

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In books, tv, movies and music

• The TV show Hawaii Five-O and its reimagined version, Hawaii Five-0, are so called because Hawaii is the last (50th) of the states to officially become a state.

• From the tv show, the term 5-O (Five-Oh) has become slang for police officers and/or a warning that police are approaching. Derived from the television show Hawaii Five-O
• 50 First Dates. A Groundhog Day type of movie starring Adam Sandler as Henry Roth, a man afraid of commitment up until he meets the beautiful Lucy. They hit it off and Henry think he’s finally found the girl of his dreams, until he discovers she has short-term memory loss and forgets him the very next day.
• 50/50. Inspired by a true story, a comedy centered on a 27-year-old guy who learns of his cancer diagnosis, and his subsequent struggle to beat the disease.
• Fifty shades of grey, the mummy-porn novel that became a huge seller in 2012
• Nickname of famous hip hop / rap legend 50 Cent.

• Paul Simon 50 ways to leave your lover

• 50 Ways To Say Goodbye by Train
• Train frontman Pat Monahan penned this song with Espionage, the Norwegian production duo that helped pen “Hey Soul Sister.”
• Espionage is made up of Espen Lind and Amund Bjørklund and amongst their other credits are Beyoncé’s “Irreplaceable” and Chris Brown’s “With You.”
• The song follows a similar theme to Paul Simon’s “50 Ways To Leave Your Lover,” though in this instance it’s the narrator’s pride that has been hurt as he looks for excuses to tell his friends why she’s disappeared from his life.

• 50 Words For Snow Kate Bush
• 50 Words For Snow comprises seven songs “set against a background of falling snow.” The album was released through the singer’s personal imprint, Fish People.
• Speaking to American radio station KCRW, Bush said that the idea for this song came from thinking about the myth that the Inuit Eskimos have 50 words for snow. She then decided to make up increasingly fantastical words herself, and recruited actor and writer Stephen Fry to recite the 50 synonyms. They include such words/phrases as “spangladasha,” “mountain-sob, “blown from Polar fur,” and “shimmer-glisten.”
• Whilst the Inuit did have about as many words for snow as the English (and now a lot less after Bush’s verbal creations for the frozen precipitation), the Sami in Finland have in excess of 50.

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In other stuff

• Cities located on latitude 50 degrees north include Cologne and Frankfurt, Germany; Brussels, Belgium; Maastricht, Netherlands; Portsmouth, Exeter, Plymouth and Brighton & Hove, England; Regina, Saskatchewan, and Kamloops, British Columbia, Canada; Kiev, Ukraine; Prague, Czech Republic; Kraków, Poland; and Kharkov, Ukraine.
• Cities located on longitude 50 degrees west include Assis, São Paulo, Brazil.
• Cities located on longitude 50 degrees east include Dammam, Saudi Arabia; Samara, Russia; and Manama, Bahrain.
• The percentage (50%) equivalent to one half, so that the phrase “fifty-fifty” commonly expresses something divided equally in two; in business this is often denoted as being the ultimate in equal partnership.
• In millimeters, the focal length of the normal lens in 35 mm photography.
• Gold wedding anniversary celebrates 50 years of marriage.
• The Roman numeral for 50 is L.
• A Canadian brand of beer called 50 Ale created in 1950 by Labatt breweries to commemorate 50 years of partnership. It is a popular brand still sold today.
• The speed limit, in kilometers per hour, of Australian roads with unspecified limits.
• Jason and 50 Argonauts sailed on the ship Argo on a quest for the Golden Fleece in Colchis (Black Sea).
• Tineke Hybrid Tea Rose has 50 double broad petals.

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Significant Number Factoid Friday – Today Number Forty 40

“Fight Against Stupidity And Bureaucracy”

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The factoid number for this Friday is forty. As usual there is more associated with it than you might think. Whatever your interest you will probably find something in here that you didn’t know about the number forty.

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The Number Forty 40

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In religion

40 is probably the most frequently used number in the Bible and corresponds to many major events. For example,

• During the great flood it rained for forty days and forty nights [Genesis 7:4, 12, 17,8:6].
• Isaac was forty years of age when he married Rebekah [Genesis 25:20].
• Moses’ life is divided into three 40-year segments, separated by his fleeing from Egypt, and his return to lead his people out.
• Moses spent three consecutive periods of “forty days and forty nights” on Mount Sinai; during the forty days during which he received the Law of the Sinai Covenant [Exodus 24:18], the children of Israel were tested [Exodus 32:1].
• The Hebrew people lived in the Sinai desert for “forty years”. This period of years represents the time it takes for a new generation to arise.
• Forty days after his birth a male child of Israel was dedicated to God at the Sanctuary [Leviticus 12:1-4].
• The Israelite spies reconnoitered the land of Canaan for forty days [Numbers 13:25]; and Caleb was forty years of age when Moses sent him to reconnoiter Canaan [Joshua 14:7].
• There were forty year intervals of peace in the age of the Judges (Judges 3:11; 5:31; 8:28)
• There were forty years of war between Israel and the Philistines.
• Several Jewish leaders and kings are said to have ruled for “forty years”, that is, a generation. (Examples: Eli, Saul, David, Solomon.)
• Goliath challenged the Israelites twice a day for forty days before David defeated him.
• 40 lashes is one of the punishments meted out by the Sanhedrin, though in actual practice only 39 lashes were administered.
• Jesus fasted in the wilderness for forty days before His temptation [Matthew 4:2; Mark 1:13; Luke 4:2].
• Jesus taught His disciples for forty days after the Resurrection. On the fortieth day He ascended to the Father [Acts 1:3].
• In modern Christian practice, Lent consists of the 40 days preceding Easter. In much of Western Christianity, Sundays are excluded from the count; in Eastern Christianity, Sundays are included.

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• In Islamic belief Muhammad was forty years old when he first received the revelation delivered by the archangel Gabriel.
• Masih ad-Dajjal roams around the Earth in forty days, a period of time that can be as many as forty months, forty years, and so on.
• The Quran says that a person is only fully grown when they reach the age of 40.

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• Some Russians believe that ghosts of the dead linger at the site of their death for forty days.

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• In Hinduism, some popular religious prayers consist of forty shlokas or dohas (couplets, stanzas). The most common being the Hanuman Chalisa (chaalis is the Hindi term for 40).
• In Hindu system some of the popular fasting period consist 40 days and is called the period One ‘Mandl kal’ Kal means a period and Mandal kal means a period of 40 days. For example the devotees of ‘Swami Ayyappa’, the name of a Hindu God very popular in Kerala, India ( Sabarimala Swami Ayyappan ) strictly observed forty days fasting and visit ( Only male devotees are permitted to enter into the God’s Temple) with their holy submittance or offerings on 41st or a convenient day after a minimum 40 days practice of fasting. The offering is called ‘Kanikka’.

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In science

• Forty is the atomic number of zirconium.
• Negative forty is the unique temperature at which the Fahrenheit and Celsius scales correspond; that is, -40°F=-40°C. It is referred to as either “minus forty” or “forty below”.

Negative forty -40°F=-40°C

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In space

• The planet Venus forms a pentagram in the night sky every eight years with it returning to its original point every 40 years with a 40 day regression (some scholars believe that this ancient information was the basis for the number 40 becoming sacred to Jews, Christians, and Muslims).

planet Venus

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• Messier object M40, is a magnitude 9.0 double star in the constellation Ursa Major

Messier Object M40

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• STS-40
• Although designated STS-40, this was in fact the 41st flight of the Space Shuttle and the 11th flight of Columbia. Its mission was to conduct the Spacelab Life Sciences (SLS-1) experiments, the first spacelab dedicated to life sciences research. This included experiments that explored how the heart, blood vessels, lungs, kidneys and hormone-secreting glands respond to microgravity, the causes of space sickness and changes in muscles, bones and cells during the microgravity environment of space flight and in the readjustment to gravity upon returning to Earth.
• Launch took place on June 5, 1991, 9:24:51 a.m. EDT. It was originally set for May 22,1991, but postponed less than 48 hours before launch when it became known that a leaking liquid hydrogen transducer in orbiter main propulsion system which was removed and replaced during a leak testing in 1990, had failed an analysis by vendor. Engineers feared that one or more of the nine liquid hydrogen and liquid oxygen transducer protruding into fuel and oxidizer lines could break off and be ingested by the engine turbopumps, causing engine failure.
• In addition, one of orbiter five general purpose computers failed completely, along with one of the multiplexer demultiplexers that control orbiter hydraulics ordinance and orbiter maneuvering system / reaction control system functions in aft compartment.
• New general purpose computer and multiplexer demultiplexer were installed and tested. One liquid hydrogen and two liquid oxygen transducers were replaced upstream in propellant flow system near 17-inch disconnect area, which is protected by internal screen. Three liquid oxygen transducers replaced at engine manifold area, while three liquid hydrogen transducers here were removed and openings plugged. Launch reset for 8 a.m. EDT, June 1, but postponed again after several attempts to calibrate inertial measurement unit 2 failed. Unit was replaced and retested, and launch was rescheduled for June 5. Launch Weight: 251,970 lbs.
• The Commander STS-40 was Marine Corps Col. Bryan D. O’Connor. Other crew, Air Force Lt. Col. Sidney M. Gutierrez (Pilot), James P. Bagian, M.D.; Tamara E. Jernigan, Ph.D.; and Margaret Rhea Seddon, M.D. The payload specialists, Francis Andrew Gaffney, M.D., and Millie Hughes-Fulford, Ph.D.

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In politics

• South Dakota ranks 16th in size among the 50 states. It was the 40th state to join the Union in 1889. South Dakota encompasses 77,123 square miles, averaging 10 people per square mile.

South Dakota State flag

• Ronald Reagan, former actor and Governor of California (1967-75) was the fortieth President of the United States of America, from January 20, 1981 to January 20, 1989. His Vice President was George H. W. Bush.

Ronald Reagan 40th President of the United States of America

• Reagan’s Presidency was notable for at least two incidents.
• On March 30, 1981, only 69 days into the new administration, Reagan, his press secretary James Brady, Washington police officer Thomas Delahanty, and Secret Service agent Timothy McCarthy were struck by gunfire from would-be assassin John Hinckley, Jr. outside the Washington Hilton Hotel. Although “close to death” during surgery, Reagan recovered and was released from the hospital on April 11, becoming the first serving U.S. President to survive being shot in an assassination attempt. The attempt had great influence on Reagan’s popularity; polls indicated his approval rating to be around 73%. Reagan believed that God had spared his life so that he might go on to fulfill a greater purpose.
• A couple of videos, the first rather long but interesting in that it shows the live story of the assassination attempt developing, and the second President Reagan recounting the assassination attempt from his personal perspective.

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• Another controversial incident involving President Reagan happened in summer of 1981 when PATCO, the union of federal air traffic controllers, went on strike, violating a federal law prohibiting government unions from striking. Reagan declared the situation an emergency as described in the 1947 Taft–Hartley Act, and stated that if the air traffic controllers “do not report for work within 48 hours, they have forfeited their jobs and will be terminated”. They did not return and on August 5, Reagan fired 11,345 striking air traffic controllers who had ignored his order, and used supervisors and military controllers to handle the nation’s commercial air traffic until new controllers could be hired and trained. As a leading reference work on public administration concluded, “The firing of PATCO employees not only demonstrated a clear resolve by the president to take control of the bureaucracy, but it also sent a clear message to the private sector that unions no longer needed to be feared.”

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In sport

• In football (soccer), forty is generally considered to be the number of points that a Premier League team (or, by extension, a team in any 20-team league with a standard home-and-away season) needs to avoid relegation.
• In baseball, each team in Major League Baseball is allowed to have 40 players under major-league contracts at any given time (not including players on the 60-day disabled list). From September 1 to the end of the regular season, teams are allowed to expand their game-day rosters to include the entire 40-man roster.
• In tennis, the number 40 represents the third point gained in a game. A score of 40-40 (three points each) is called “deuce”, at which time a player must score two consecutive points to win the game.

• Beginning with the 2013 season, forty cars will run each race in NASCAR’s second-level Nationwide Series.
• The jersey number 40 has been retired by several North American sports teams in honor of past playing greats or other key figures:
• In Major League Baseball: the Houston Astros, for Don Wilson; the Pittsburgh Pirates, for Danny Murtaugh, most noted as the team’s longtime manager.

• In the NBA: the Denver Nuggets, for Byron Beck; the Detroit Pistons, for Bill Laimbeer.

Byron Beck

• In the NFL: the Arizona Cardinals, for Pat Tillman; the Chicago Bears, for Hall of Famer Gale Sayers; the New England Patriots, for Hall of Famer Mike Haynes; the New York Giants, for Joe Morrison; the Philadelphia Eagles, for Tom Brookshier.

Gale Sayers

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In militaria

• Curtiss P-40 Warhawk
• Manufactured by Curtiss-Wright Corporation of Buffalo, New York and designed by Donovan Berlin, the Curtiss P-40 Warhawk’s first flight was on 14 October 1938. Over 13,700 were built and during its twenty year life it was used by the United States Army Air Forces, the Royal Air Force, Royal Australian Air Force, Royal Canadian Air Force, Royal New Zealand Air Force, and many others. A single-engine, single-seat, all-metal fighter and ground attack aircraft, it was used extensively by most Allied powers during World War II, and remained in front line service until the end of the war.
• The British Commonwealth and Soviet air forces used the name Tomahawk for models equivalent to the P-40B and P-40C, and the name Kittyhawk for models equivalent to the P-40D and all later variants.

Curtiss P-40E Warhawk USAF

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• PPD40
• The PPD (Pistolet-Pulemyot Degtyarova) was developed by famous Russian small arms designer Fedor Degtyarov. It was formally adopted by the Red Army in 1935 and entered limited production as the PPD-34. Made in small numbers, it was mostly relegated for NKVD use, mostly for border guards. Slightly modified in 1938, it was then produced until 1939 in PPD-34/38 variation, with newly developed 71 rounds drum with long neck.
• After the Winter War experience (1940 war between USSR and Finland), new version of PPD has been rapidly developed, with the most visible change being the two-part stock, cut to accept new pattern of drums, which had no neck. This became the PPD-40.
• After the outbreak of the Great Patriotic Warin 1941, it was soon been discovered that the PPD-40 is less than ideal for wartime production, so it was quickly replaced by the more efficient and inexpensive PPSh-41, which appeared in great numbers and was widely used by Red Army.

Pistolet-Pulemyot Degtyarova PPD40

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• MP40
• One of the most famous submachine gun designs in history, the M.P. 38 submachine gun started its life under requirements from German Heereswaffenamt (HWA, Army Weapons Office), which saw the need for a compact submachine gun, suitable for use by armored vehicles crews and paratroopers.
• German arms-making company Erfurter Maschinenfabrik Gmbh, better known under its trade name Erma, began the development of a new weapon under HWA specifications. It was manufactured for just 2 years, when it was replaced in production by externally similar, but less expensive MP-40, which used more stamped parts instead of machined parts, found in MP-38.
• There also were minor variations in design of MP-38, such as shape of cocking handle etc. MP-40 was also produced in a number of variations, which differed in shape of certain parts; also, toward the end of the war, several production shortcuts were introduced to save the costs of manufacturing. probably the most interesting variation of the MP-40 were the MP-40-II and MP-40-II. These guns featured dual magazine housings which hold two magazines in a laterally sliding bracket. This increase the total ammunition capacity “in the gun” to 64 rounds, in a desperate attempt to catch up with 71-round magazine capacity of Soviet PPSh-41. The later variant, MP-40-II, was made in limited numbers, but turned out to be a failure – sliding dual-magazine housing was a constant source of jams and failures, and was very sensitive to dirt and fouling.
• Nevertheless, the MP-40 submachine guns were of good design, and set the pattern for so called “second generation” of submachine guns (“first generation” being represented by the wood-stocked and carefully machined MP-18, MP-28 and the like). The second generation weapons usually were of compact design, and made using mostly steel stampings and pressings, or castings.
• Many MP-40 that survived the WW2, continued to serve up until late 1970s or early 1980s, in few European armies such as Austrian or Norwegian.

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• Taurus MP40
• During the 1990s Taurus replaced in production its MT-12A submachine gun (licensed copy of the Beretta PM-12) with another foreign design, this time purchased from Chile.
• Originally known as the FAMAE SAF, in Brazil it is made in a slightly modified form as the Taurus MT-9 (in 9mm Luger) and MT-40 (in .40SW, especially for the Brazilian police forces that favor this caliber). In this case, the MT index stands for Metralhadora Taurus – Taurus Submachine gun, and the digits denote a caliber.
• Taurus also makes an interesting offshoot of the MT-40, the CT-40 semi-automatic carbine, which is also intended for police and security use but is restricted to semi-automatic fire and has somewhat longer barrel.

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• SVT-40
• The SVT-38 (Samozaryadnaya Vintovka Tokareva – Tokarev Self-loading rifle) was originally adopted in the 1938 after more than 20 years of the research and development, done by famous Russian arms designer Fedor Tokarev. 
• This rifle was made in relatively large numbers (more than 1 million made prior to 1945), and was originally issued as a standard infantry rifle, replacing the obsolete Mosin-Nagant M1891/30 bolt action rifles. A few SVT-40 were also manufactured in the sniper variant, (only about 50 000) equipped with scope mounts and telescopic sights, but accuracy was not sufficient. 
• The SVT-40 had a somewhat controversial reputation. It was highly regarded by the enemies (Finns and Germans) and it was a very sought-after war trophy, re-issued to both German and Finnish troops. On the other hand, it was often considered unreliable and over-complicated by the Soviet troops (when comparing with old Mosin-Nagant rifles), but it was more to the poor training and maintenance, than to the rifle itself. Some better trained and educated Soviet troops, such as Sea Infantry (Marines, which always were some kind of elite in the Soviet army) used the SVT-40 with great deal of success.

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• Husqvarna M/40
• The ‘Luger-like’ L-35 pistol was developed by the Finnish designer Aimo Lahti and manufactured by Finnish company VKT from 1935 until 1985 or so. It was adopted as a standard sidearm for Finnish army in 1935. 
• In 1940, Sweden purchased a license for Lahti pistol, simplified it and began production as a Husqvarna M/40 pistol. Due to simplification and poor quality of steel used in M/40, these guns tended to crack when fired 9mm “submachinegun” ammunition, and also M/40 were less reliable than original L-35s, so in the 1980s almost all M/40s were recalled from military service and replaced by older m/07 pistol (licensed Browning M1903 pistols) as an emergency feature.

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• HK-UMP40
• The UMP (Universal Machinen-Pistole = Universal Submachine Gun) had been developed by the Heckler & Koch company of Germany in the mid- to late- 1990s and first appeared on the markets in 1999. The key idea behind the UMP was to create a lightweight and powerful submachine gun, that was also cheaper than one of the H&K’s flagships, the MP-5. UMP, being targeted primary for USA law enforcement market, first appeared in .45ACP and .40SW chamberings, and later – in 9mm. 
• The UMP is a blowback-operated select-fire submachine gun, being fired from the closed bolt. The receiver is made from the polymer, the controls are fully ambidextrous. UMP can be fired in full-auto, in single shots, and in 2 or 3 round bursts (optional). UMP also has bolt hold-open device, which traps the bolt in the open position when the last round from magazine had been fired. UMP has side-folding buttstock and two set of picatinny rails – one on the top of the receiver, and the other – on the forend. These rails can accept wide variety of sighting and other equipment, such as red-dot sights, laser pointers, tactical grips and flashlights. The barrel has quick mount for snap-on silencer.

Heckler & Koch Universal Machinen-Pistole

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In books, music and movies

• Forty Shades of Green is a visual term for rural Ireland, Johnny Cash popularised it with his 1961 song of the name.
• “40” is a 1983 song by U2 from their album War
• “40′” is the title of a song by Franz Ferdinand
• The American-Japanese rock band Crush 40 from Sega’s Sonic the Hedgehog video game series with Hardline vocalist Johnny Gioeli and guitarist Jun Senoue
• Canadian hip-hop producer Noah Shebib is known as “40”.
• A well known radio program is the American Top 40
• Rick Dees hosts a Weekly Top 40 radio program
• The best known story from a Thousand and One Nights is Ali Baba and the Forty Thieves which has been made in movie and cartoon versions

• Movies with ’40’ in their titles include 
• “40 Carats”, about a forty year old woman who was vacationing in Greece
• “40 Days and Nights”, a modern take on a Noah’s Ark tale
• “The 40 Year Old Virgin”, a comedy about, well, a 40 year old virgin

• “This is 40”, a sequel to the 2007 movie ‘Knocked Up’ about at the lives of characters Pete and Debbie a few years on. 

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Other stuff

• The expression “forty winks”, meaning a short sleep
• There is the famous Saying “Life begins at forty”
• Forty years of marriage is a ruby wedding anniversary
• The international direct dial phone code for Romania is 40
• The number of weeks for an average term of pregnancy, counting from the woman’s last menstrual period is forty.
• There is an Arabic proverb that says, ‘To understand a people, you must live among them for 40 days.’
• A regular work week in some western countries consists of forty hours.
• There are forty spaces in a standard Monopoly game board

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And finally,

Last, but definitely not least, perhaps one of the greatest ever inventions also carries the ’40’ tag. It is WD-40.

WD-40 is the trademark name of a penetrating oil and water-displacing spray, developed in 1953 by Norm Larsen, founder of the Rocket Chemical Company, in San Diego, California.

The term ‘WD-40’, is an abbreviation of the phrase “Water Displacement, 40th formula”.

Larsen was attempting to create a formula to prevent corrosion in nuclear missiles, by displacing the standing water that causes it. He claims he arrived at a successful formula, which is primarily composed of various hydrocarbons, on his 40th attempt.

WD-40 was first used by Convair to protect the outer skin, and more importantly, the paper thin “balloon tanks” of the Atlas missile from rust and corrosion.

WD-40 first became commercially available on store shelves in San Diego in 1958

The WD40 product range

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