904 – The warlord Zhu Quanzhong kills Emperor Zhaozong of Tong, the second-last Emperor of China's Tang Dynasty, after seizing control of the imperial government.
1236 – Lithuanians and Semigallians beat Livonian Brothers of the Sword in Battle of Siauliai
1499 – Treaty of Basel: Switzerland becomes an independent state.
1823 – Mormon leader Joseph Smith, Jr. stated that he found the Golden Plates on this date, being directed by God through the Angel Moroni to the place where they were buried.
1857 – Russian warship Lefort capsizes and sinks in the Gulf of Finland, killing all 806 people on board.
1914 – German submarine 5M U-9 torpedoes and sinks British cruisers HMS Aboukir, HMS Hague and HMS Cressy on the Broad Fourteens off the Dutchcoast with the loss of 1,400 men and boys.
1957 – Francois Duvalier (Papa Doc) is elected President of Haiti. Establishing a one-party state, he remains in power until his death in 1971, when his son takes over.
2016 – Yahoo! confirms that hackers entered its network in late 2014 and stole information connected to at least 500 million user accounts, in the largest data breach reported to date.