On December 7.1787 ; Delaware becomes the first state to ratify the United States Constitution. source
On December 7.1787 ; Delaware becomes the first state to ratify the United States Constitution.
On December 7.1936 ; Australian cricketer Jack Fingleton becomes the first player to score centuries in four consecutive Test innings. source
On December 7.1936 ; Australian cricketer Jack Fingleton becomes the first player to score centuries in four consecutive Test innings.
On December 7.1963 ; Instant replay makes its debut during the Army-Navy football game in Philadelphia, Pennsylvania, United States. source
On December 7.1963 ; Instant replay makes its debut during the Army-Navy football game in Philadelphia, Pennsylvania, United States.
On December 8.1955 ; The Flag of Europe is adopted by Council of Europe. source
On December 8.1955 ; The Flag of Europe is adopted by Council of Europe.
On December 8.2010 ; With the second launch of the SpaceX Falcon 9 and the first launch of the SpaceX Dragon, SpaceX becomes the first private company to successfully launch, orbit and recover a spacecraft. source
On December 8.2010 ; With the second launch of the SpaceX Falcon 9 and the first launch of the SpaceX Dragon, SpaceX becomes the first private company to successfully launch, orbit and recover a spacecraft.
On December 9.1892 ; English soccer club Newcastle United is founded source
On December 9.1892 ; English soccer club Newcastle United is founded
On December 9.1935 ; The Downtown Athletic Club Trophy, later renamed the Heisman Trophy, is awarded for the first time. The winner is halfback Jay Berwanger of the University of Chicago. source
On December 9.1935 ; The Downtown Athletic Club Trophy, later renamed the Heisman Trophy, is awarded for the first time. The winner is halfback Jay Berwanger of the University of Chicago.
On December 10.1992 ;Qatar national football team win the Gulf Cup held in Qatar. source
On December 10.1992 ;Qatar national football team win the Gulf Cup held in Qatar.
On December 12.1901 ; Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland. source
On December 12.1901 ; Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
The Great Blue Hole is a giant submarine sinkhole off the coast of Belize. It lies near the center of Lighthouse Reef, a small atoll 70 km (43 mi) from the mainland and Belize City. source
The Great Blue Hole is a giant submarine sinkhole off the coast of Belize. It lies near the center of Lighthouse Reef, a small atoll 70 km (43 mi) from the mainland and Belize City.
The deepest blue hole in the world at 300.89 meters (987 feet) deep is in the South China Sea and is named the Dragon Hole, or Longdong
On December 13.1769 ; Dartmouth College is founded by the Reverend Eleazar Wheelock, with a royal charter from King George III, on land donated by Royal governor John Wentworth. source
On December 13.1769 ; Dartmouth College is founded by the Reverend Eleazar Wheelock, with a royal charter from King George III, on land donated by Royal governor John Wentworth.
On December 13.2002 ; European Union enlargement: The EU announces that Cyprus, the Czech Republic, Estonia, Hungary, Latvia, Lithuania, Malta, Poland, Slovakia, and Slovenia will become members from May 1, 2004. source
On December 13.2002 ; European Union enlargement: The EU announces that Cyprus, the Czech Republic, Estonia, Hungary, Latvia, Lithuania, Malta, Poland, Slovakia, and Slovenia will become members from May 1, 2004.
On December 14.1911 ; Roald Amundsen's team, comprising himself, Olav Bjaaland, Helmer Hanssen, Sverre Hassel, and Oscar Wisting, becomes the first to reach the South Pole. source
On December 14.1911 ; Roald Amundsen's team, comprising himself, Olav Bjaaland, Helmer Hanssen, Sverre Hassel, and Oscar Wisting, becomes the first to reach the South Pole.
On December 17.1935 ; First flight of the Douglas DC-3. source
On December 17.1935 ; First flight of the Douglas DC-3.
On December 20.1832 ; HMS Clio under the command of Captain Onslow arrives at Port Egmont under orders to take possession of the Falkland Islands source
On December 20.1832 ; HMS Clio under the command of Captain Onslow arrives at Port Egmont under orders to take possession of the Falkland Islands
On December 20.1957 ; The initial production version of the Boeing 707 makes its first flight. source
On December 20.1957 ; The initial production version of the Boeing 707 makes its first flight.
On December 21.1844 ; The Rochdale Society of Equitable Pioneers commences business at its cooperative in Rochdale, England, starting the Cooperative movement. source
On December 21.1844 ; The Rochdale Society of Equitable Pioneers commences business at its cooperative in Rochdale, England, starting the Cooperative movement.
On December 21.1879 ; World premiere of Henrik Ibsen's A Doll's House at the Royal Theatre in Copenhagen, Denmark. source
On December 21.1879 ; World premiere of Henrik Ibsen's A Doll's House at the Royal Theatre in Copenhagen, Denmark.
On December 22.1891 ; Asteroid 323 Brucia becomes the first asteroid discovered using photography. source
On December 22.1891 ; Asteroid 323 Brucia becomes the first asteroid discovered using photography.
On December 23.1893 ; The opera Hansel and Gretel by Engelbert Humperdinck is first performed. source
On December 23.1893 ; The opera Hansel and Gretel by Engelbert Humperdinck is first performed.
On December 23.1947 ; The transistor is first demonstrated at Bell Laboratories. source
On December 23.1947 ; The transistor is first demonstrated at Bell Laboratories.
On December 23.1954 ; First successful kidney transplant is performed by J. Hartwell Harrison and Joseph Murray. source
On December 23.1954 ; First successful kidney transplant is performed by J. Hartwell Harrison and Joseph Murray.
On December 24.1911 ; Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania. source
On December 24.1911 ; Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania.
On December 25.1815 ; The Handel and Haydn Society, oldest continually performing arts organization in the United States, gives its first performance. source
On December 25.1815 ; The Handel and Haydn Society, oldest continually performing arts organization in the United States, gives its first performance.
On December 26.1975 ; Tu-144, the world's first commercial supersonic aircraft, surpassing Mach 2, went into service. source
On December 26.1975 ; Tu-144, the world's first commercial supersonic aircraft, surpassing Mach 2, went into service.
On December 27.2004 ; Radiation from an explosion on the magnetar SGR 1806-20 reaches Earth. It is the brightest extrasolar event known to have been witnessed on the planet. source
On December 27.2004 ; Radiation from an explosion on the magnetar SGR 1806-20 reaches Earth. It is the brightest extrasolar event known to have been witnessed on the planet.
On December 28.1944 ; Maurice Richard becomes the first player to score eight points in one game of NHL ice hockey. source
On December 28.1944 ; Maurice Richard becomes the first player to score eight points in one game of NHL ice hockey.
On December 29.1860 ; The launch of HMS Warrior, with her combination of screw propeller, iron hull and iron armour, renders all previous warships obsolescent. source
On December 29.1860 ; The launch of HMS Warrior, with her combination of screw propeller, iron hull and iron armour, renders all previous warships obsolescent.
On December 31.1831 ; Gramercy Park is deeded to New York City. source
On December 31.1831 ; Gramercy Park is deeded to New York City.