WHAT HAPPENED ON 7. DECEMBER
Want to find out what all happened on 7. December

Marcus Tullius Cicero is assassinated. (7. December 43. BC)

Emperor Justin II retires due to recurring seizures of insanity. He abdicates the throne in favor of his general Tiberius, proclaiming him Caesar. (7. December 574)

Tumult of Thorn: Religious unrest is followed by the execution of nine Protestant citizens and the mayor of Thorn (Toruń) by Polish authorities. (7. December 1724)

The Royal Opera House opens at Covent Garden, London, England. (7. December 1732)

Gilbert du Motier, Marquis de Lafayette, arranges to enter the American military as a major general. (7. December 1776)

Delaware becomes the first state to ratify the United States Constitution. (7. December 1787)

American Civil War: Battle of Prairie Grove, Arkansas. (7. December 1862)

American outlaw Jesse James commits his first confirmed bank robbery in Gallatin, Missouri. (7. December 1869)

World War I: The United States declares war on Austria-Hungary. (7. December 1917)

W1XAV in Boston, Massachusetts telecasts video from the CBS radio orchestra program, The Fox Trappers. The telecast also includes the first television commercial in the United States, an advertisement for I.J. Fox Furriers, who sponsored the radio show. (7. December 1930)

Australian cricketer Jack Fingleton becomes the first player to score centuries in four consecutive Test innings. (7. December 1936)

World War II: Attack on Pearl Harbor – The Imperial Japanese Navy carries out a surprise attack on the United States Pacific Fleet and its defending Army and Marine air forces at Pearl Harbor, Hawaii. (For Japan's near-simultaneous attacks on Eastern Hemisphere targets, see December 8.) (7. December 1941)

A fire at the Winecoff Hotel in Atlanta, Georgia, kills 119 people, the deadliest hotel fire in U.S. history. (7. December 1946)

Chinese Civil War: The government of the Republic of China moves from Nanking to Taipei, Taiwan. (7. December 1949)

Prince Rainier III of Monaco revises the principality's constitution, devolving some of his power to advisory and legislative councils. (7. December 1962)

Instant replay makes its debut during an American Army–Navy football game. (7. December 1963)

Pope Paul VI and Patriarch Athenagoras I simultaneously revoke mutual excommunications that had been in place since 1054. (7. December 1965)

Imelda Marcos survives an assassination attempt using a bolo knife against her. (7. December 1972)

Pakistan President Yahya Khan announces the formation of a coalition government with Nurul Amin as Prime Minister and Zulfikar Ali Bhutto as Deputy Prime Minister. (7. December 1971)

Apollo 17, the last Apollo moon mission, is launched. The crew takes the photograph known as The Blue Marble as they leave the Earth. (7. December 1972)