The Brazilian Military Police invades the ''favelas'' of Complexo do Alemão in an episode which is remembered as the Complexo do Alemão massacre.

Slovenia, after declaring independence two days before is invaded by Yugoslav troops, tanks, and aircraft starting the Ten-Day War.

The current international treaty defending indigenous peoples, ILO 169 convention, was adopted.

Space Shuttle Columbia launched from the Kennedy Space Center on the final research and development flight mission, STS-4.

France grants independence to Djibouti.

Air France Flight 139 (Tel Aviv-Athens-Paris) is hijacked en route to Paris by the PLO and redirected to Entebbe, Uganda.

U.S president Richard Nixon visits the U.S.S.R..

The President of Uruguay dissolves Parliament and heads a coup d'état.

The world's first ATM is installed in Enfield, London.

The world's first nuclear power station opens in Obninsk, near Moscow.

The United States decides to send troops to fight in the Korean War.

Romanian governmental forces, allies of Nazi Germany, launch one of the most violent pogroms in Jewish history in the city of Iaşi, (Romania), resulting in the murder of at least 13,266 Jews.

German troops capture the city of Białystok during Operation Barbarossa.

Capt. Lowell H. Smith and Lt. John P. Richter perform the first ever aerial refueling in a DH-4B biplane

Battleship Potemkin uprising: sailors start a mutiny aboard the Battleship ''Potemkin'', denouncing the crimes of autocracy, demanding liberty and an end to war.

A. E. J. Collins scores 628 runs not out, the highest-ever recorded score in cricket.

The first solo circumnavigation of the globe is completed by Joshua Slocum from Briar Island, Nova Scotia.

The inaugural run of the Baltimore and Ohio Railroad's ''Royal Blue'' from Washington, D.C., to New York City, the first U.S. passenger train to use electric locomotives.

Joseph Smith, Jr., founder of the Church of Jesus Christ of Latter-day Saints, and his brother Hyrum Smith, are murdered by a mob at the Carthage, Illinois jail.

British forces take Buenos Aires during the first British invasions of the Río de la Plata.

General James Wolfe begins the siege of Quebec.

War of the Austrian Succession: Battle of Dettingen: On the battlefield in Bavaria, George II personally leads troops into battle. The last time that a British monarch would command troops in the field.

Republic of Dubrovnik is founded