2015: Riots break out in Baltimore, Maryland following the death of Freddie Gray in police custody.
2015: Nearly 9,100 are killed after a massive 7.8 magnitude earthquake strikes Nepal.
2007: Boris Yeltsin's funeral: The first to be sanctioned by the Russian Orthodox Church for a head of state since the funeral of Emperor Alexander III in 1894.
1983: American schoolgirl Samantha Smith is invited to visit the Soviet Union by its leader Yuri Andropov after he read her letter in which she expressed fears about nuclear war.
1981: More than 100 workers are exposed to radiation during repairs of a nuclear power plant in Tsuruga, Japan.
1975: As North Vietnamese forces close in on the South Vietnamese capital Saigon, the Australian Embassy is closed and evacuated, almost ten years to the day since the first Australian troop commitment to South Vietnam.
1974: Carnation Revolution: A leftist military coup in Portugal overthrows the authoritarian-conservative Estado Novo regime and establishes a democratic government.
1951: Korean War: Assaulting Chinese forces are forced to withdraw after heavy fighting with UN forces, primarily made up of Australian and Canadian troops, at the Battle of Kapyong.
1945: The last German troops retreat from Finland's soil in Lapland, ending the Lapland War. Military acts of Second World War end in Finland.
1945: Liberation Day (Italy)): The Nazi occupation army surrenders and leaves Northern Italy after a general partisan insurrection by the Italian resistance movement; the puppet fascist regime dissolves and Benito Mussolini is captured after trying to escape. This day was set as a public holiday to celebrate the Liberation of Italy.
1920: At the San Remo conference, the principal Allied Powers of World War I adopt a resolution to determine the allocation of Class "A" League of Nations mandates for administration of the former Ottoman-ruled lands of the Middle East.
1916: Anzac Day is commemorated for the first time on the first anniversary of the landing at ANZAC Cove.
1915: World War I: The Battle of Gallipoli begins: The invasion of the Turkish Gallipoli Peninsula by British, French, Indian, Newfoundland, Australian and New Zealand troops, begins with landings at Anzac Cove and Cape Helles.
1901: New York becomes the first U.S. state to require automobile license plates.
1829: Charles Fremantle arrives in HMS Challenger off the coast of modern-day Western Australia prior to declaring the Swan River Colony for the United Kingdom.
1804: The western Georgian kingdom of Imereti accepts the suzerainty of the Russian Empire
1792: Highwayman Nicolas J. Pelletier becomes the first person executed by guillotine.
1707: A coalition of England, the Netherlands and Portugal is defeated by a Franco-Spanish army at Almansa (Spain) in the War of the Spanish Succession.
1134: The name Zagreb was mentioned for the first time in the Felician Charter relating to the establishment of the Zagreb Bishopric around 1094.
799: After mistreatment and disfigurement by the citizens of Rome, pope Leo III flees to the Frankish court of king Charlemagne at Paderborn for protection.
775: The Battle of Bagrevand puts an end to an Armenian rebellion against the Abbasid Caliphate. Muslim control over Transcaucasia is solidified and its Islamization begins, while several major Armenian nakharar families lose power and their remnants flee to the Byzantine Empire.