Events on May 31 43
Year 1223
Mongol invasion of the Cumans: Battle of the Kalka River: Mongol armies of Genghis Khan led by Subutai defeat Kievan Rus' and Cumans.
Year 1578
King Henry III lays the first stone of the Pont Neuf (New Bridge), the oldest bridge of Paris, France.
Year 1775
American Revolution: The Mecklenburg Resolves are adopted in the Province of North Carolina.
Year 1790
The United States enacts its first copyright statute, the Copyright Act of 1790.
Year 1805
French and Spanish forces begin the assault against British forces occupying Diamond Rock.
Year 1813
In Australia, William Lawson, Gregory Blaxland and William Wentworth reach Mount Blaxland, effectively marking the end of a route across the Blue Mountains.
Year 1859
The clock tower at the Houses of Parliament, which houses Big Ben, starts keeping time.
Year 1862
American Civil War: Peninsula Campaign: Battle of Seven Pines, also known as the "Battle of Fair Oaks": Confederate forces under Joseph E. Johnston and G.W. Smith engage Union forces under George B. McClellan outside Richmond, Virginia.
Year 1864
American Civil War: Overland Campaign: Battle of Cold Harbor: The Army of Northern Virginia under Robert E. Lee engages the Army of the Potomac under Ulysses S. Grant and George Meade.
Year 1866
In the Fenian Invasion of Canada, John O'Neill leads 850 Fenian raiders across the Niagara River at Buffalo, New York/Fort Erie, Ontario, as part of an effort to free Ireland from the United Kingdom. Canadian militia and British regulars repulse the invaders over the next three days, at a cost of nine dead and 38 wounded to the 19 dead and about 17 wounded Fenians.
Year 1879
Gilmore's Garden in New York City is renamed Madison Square Garden by William Henry Vanderbilt and is opened to the public at 26th Street and Madison Avenue.
Year 1884
The arrival at Plymouth of Tāwhiao, King of Maoris, to claim the protection of Queen Victoria
Year 1889
Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
Year 1902
Second Boer War: The Treaty of Vereeniging ends the war and ensures British control of South Africa.
Year 1909
The National Negro Committee, forerunner to the National Association for the Advancement of Colored People (NAACP), convenes for the first time.
Year 1911
The President of Mexico Porfirio Díaz flees the country during the Mexican Revolution.
Year 1916
World War I: Battle of Jutland: The British Grand Fleet under the command of John Jellicoe, 1st Earl Jellicoe and David Beatty, 1st Earl Beatty engage the Imperial German Navy under the command of Reinhard Scheer and Franz von Hipper in the largest naval battle of the war, which proves indecisive.
Year 1921
Tulsa race riot: civil unrest in Tulsa, Oklahoma. The official death toll was given as 39, but other estimates of black fatalities vary from 55 to about 300.
Year 1924
The Soviet Union signs an agreement with the Beijing government, referring to Outer Mongolia as an "integral part of the Republic of China", whose "sovereignty" therein the Soviet Union promises to respect.
Year 1927
The last Ford Model T rolls off the assembly line after a production run of 15,007,003 vehicles.
Year 1941
Anglo-Iraqi War: The United Kingdom completes the re-occupation of Iraq and returns 'Abd al-Ilah to power as regent for Faisal II.
Year 1942
World War II: Imperial Japanese Navy midget submarines begin a series of attacks on Sydney, Australia.
Year 1961
In Moscow City Court, the Rokotov-Faibishenko show trial begins, despite the Khrushchev Thaw to reverse Stalinist elements in Soviet society.
Year 1970
The 7.9 Mw Ancash earthquake shakes Peru with a maximum Mercalli intensity of VIII (Severe) and a landslide buries the town of Yungay, Peru. Between 66,794-70,000 were killed and 50,000 were injured.
Year 1971
In accordance with the Uniform Monday Holiday Act passed by the U.S. Congress in 1968, observation of Memorial Day occurs on the last Monday in May for the first time, rather than on the traditional Memorial Day of May 30.
Year 1973
The United States Senate votes to cut off funding for the bombing of Khmer Rouge targets within Cambodia, hastening the end of the Cambodian Civil War.
Year 1985
United States-Canada tornado outbreak: Forty-one tornadoes hit Ohio, Pennsylvania, New York, and Ontario, leaving 76 dead.
Year 1989
A group of six members of the Peruvian guerrilla group Túpac Amaru Revolutionary Movement shoot dead eight transsexuals in Tarapoto.
Year 1991
Bicesse Accords in Angola lay out a transition to multi-party democracy under the supervision of the United Nations' UNAVEM II mission.
Year 2010
Israeli Shayetet 13 commandos boarded the Gaza Freedom Flotilla while still in international waters trying to break the ongoing blockade of the Gaza Strip; nine Turkish civilians on the flotilla were killed in the ensuing violent affray.
Year 2013
The asteroid 1998 QE2 and its moon make their closest approach to Earth for the next two centuries.
Year 2017
A car bomb exploded in a crowded intersection in Kabul near the German embassy during rush hour, killing over 90 and injuring 463.