WHAT HAPPENED ON 31. MAY
Want to find out what all happened on 31. May

The arrival at Plymouth of Tāwhiao, King of Maoris, to claim the protection of Queen Victoria (31. May 1884)

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. (31. May 1889)

Second Boer War: The Treaty of Vereeniging ends the war and ensures British control of South Africa. (31. May 1902)

The National Negro Committee, forerunner to the National Association for the Advancement of Colored People, convenes for the first time. (31. May 1909)

The creation of the Union of South Africa. (31. May 1910)

The hull of the ocean liner RMS Titanic is launched. (31. May 1911)

The President of Mexico Porfirio Díaz flees the country during the Mexican Revolution. (31. May 1911)

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. (31. May 1916)

Tulsa race riot: civil unrest in Tulsa, Oklahoma. The official death toll is 39, but recent investigations suggest the actual toll may be much higher. (31. May 1921)

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. (31. May 1924)

The last Ford Model T rolls off the assembly line after a production run of 15,007,003 vehicles. (31. May 1927)

The first talking Mickey Mouse cartoon, "The Karnival Kid", is released. (31. May 1929)

A 7.7 Mw earthquake destroys Quetta in modern-day Pakistan killing 40,000. (31. May 1935)

A Luftwaffe air raid on Dublin, Ireland, claims 38 lives. (31. May 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. (31. May 1941)

World War II: Imperial Japanese Navy midget submarines begin a series of attacks on Sydney, Australia. (31. May 1942)

The Union of South Africa becomes the Republic of South Africa. (31. May 1961)

In Moscow City Court, the Rokotov–Faibishenko show trial begins, despite the Khrushchev Thaw to reverse Stalinist elements in Soviet society. (31. May 1961)

The West Indies Federation dissolves. (31. May 1962)

Adolf Eichmann is hanged in Israel. (31. May 1962)