1864 – American Civil War: Confederate agents based in Canada rob three banks in Saint Albans, Vermont.
1866 – In accordance with the Treaty of Vienna, Austria cedes Veneto and Mantua to France, which immediately awards them to Italy in exchange for the earlier Italian acquiescence to the French annexation of Savoy and Nice.
1950 – Korean War: The Battle of Pyongyang ends in a United Nations victory. Hours later, the Chinese Army begins crossing the border into Korea.
1950 – Iran becomes the first country to accept technical assistance from the United States under the Point Four Program.
1955 – The General Assembly of the European Broadcasting Union approves the staging of the first Eurovision Song Contest.[2]
1956 – The Soviet Union and Japan sign a Joint Declaration, officially ending the state of war between the two countries that had existed since August 1945.
1984 – A Roman Catholic priest, Jerzy Popiełuszko, associated with the Solidarity Union, is killed by three agents of the Polish Communist internal intelligence agency.
1986 – The president of Mozambique and a prominent leader of FRELIMO, along with 33 others, die when their aircraft crashes into the Lebombo Mountains.
1987 – The United States Navy conducts Operation Nimble Archer, an attack on two Iranian oil platforms in the Persian Gulf.
1987 – Black Monday: The Dow Jones Industrial Average falls by 22%, 508 points.
1988 – The British government imposes a broadcasting ban on television and radio interviews with members of Sinn Féin and eleven Irish republican and Ulster loyalist paramilitary groups.
1989 – The convictions of the Guildford Four are quashed by the Court of Appeal of England and Wales, after they had spent 15 years in prison.
2001 – SIEV X, an Indonesian fishing boat en route to Christmas Island, carrying over 400 migrants, sinks in international waters with the loss of 353 people.