589 Reccared I summoned the Third Council of Toledo.
1450 Jack Cade’s Rebellion: Kentishmen revolted against King Henry VI.
1541 Hernando de Soto reached the Mississippi River and named it Río de Espíritu Santo.
1753 – Miguel Hidalgo Mexican revolutionary was born (d. 1811).
1788 The French Parlement was suspended and replaced by the creation of forty-seven new courts.
1794 French chemist Antoine Lavoisier, who was also a tax collector with the Ferme Générale, was tried, convicted, and guillotined on the same day in Paris.
1821 Greek War of Independence: The Greeks defeated the Turks at the Battle of Gravia.
1828 – Jean Henri Dunant, Founder of the Red Cross; Nobel laureate, was born (d. 1910).
1846 – Oscar Hammerstein I, American businessman and composer, was born (d. 1919).
1846 Mexican-American War: The Battle of Palo Alto – Zachary Taylor defeated a Mexican force north of the Rio Grande in the first major battle of the war.
1861 American Civil War: Richmond, Virginia was named the capital of the Confederate States of America.
1877 At Gilmore’s Gardens in New York City, the first Westminster Kennel Club Dog Show opened.
1884 – Harry S. Truman, President of the United States, was born (d. 1972).
1886 Pharmacist John Styth Pemberton invented a carbonated beverage later named “Coca-Cola”.
1898 The first games of the Italian football league system were played.
1899 The Irish Literary Theatre in Dublin opened.
1903 – Mary Stewart, Baroness Stewart of Alvechurch, British politician and educator was born (d. 1984).
1913 – Sid James, South African-English actor and singer, was born (d. 1976).
1914 Paramount Pictures was founded.
1925 – Ali Hassan Mwinyi, second President of Tanzania, was born.
1926 NZ Railways Magazine was launched.
1926 – David Attenborough, English naturalist, was born.
1927 Attempting to make the first non-stop transatlantic flight from Paris to New York, French war heroes Charles Nungesser and Francois Coli disappeared after taking off aboard The White Bird biplane.
1933 Mohandas Gandhi began a 21-day fast in protest against British oppression in India.
1942 World War II: Gunners of the Ceylon Garrison Artillery on Horsburgh Island in the Cocos Islands rebelled in the Cocos Islands Mutiny.
1943 – Jon Mark, English-New Zealand singer-songwriter and guitarist was born.
1943 – Paul Samwell-Smith, British bassist (The Yardbirds) was born.
1944 – Gary Glitter, English singer, was born.
1945 Hundreds of Algerian civilians were killed by French Army soldiers in the Sétif massacre.
1945 – World War II: V-E Day, combat ended in Europe. German forces agreed in Rheims, France, to an unconditional surrender.
1945 End of the Prague uprising, today celebrated as a national holiday in the Czech Republic.
1951 – Philip Bailey, American singer (Earth, Wind & Fire), was born.
1951 – Chris Frantz, American musician (Talking Heads), was born.
1953 – Alex Van Halen, Dutch-born American drummer (Van Halen), was born.
1953 – Billy Burnette, American singer and guitarist (Fleetwood Mac), was born.
1963 – Soldiers of South Vietnamese President Ngo Dinh Diem opened fire on Buddhists defying a ban on the flying of the Buddhist flag on Vesak, killing nine.
1970 John Rowles hit number 1 on the charts in New Zealand and 20 in Australia with Cheryl Moana Marie.
1970 The Hard Hat riot in the Wall Street area of New York City: blue-collar construction workers clashed with anti-war demonstrators protesting the Vietnam War.
1972 Vietnam War – U.S. President Richard M. Nixon announced his order to place mines in major North Vietnamese ports in order to stem the flow of weapons and other goods to that nation.
1976 The rollercoaster Revolution, the first steel coaster with a vertical loop, opened at Six Flags Magic Mountain.
1980 The eradication of smallpox was endorsed by the World Health Organization.
1984 Corporal Denis Lortie entered the Quebec National Assembly and opened fire, killing three and wounding 13. René Jalbert, sergeant-at-arms of the assembly, succeeds in calming him, for which he later received the Cross of Valour.
1984 Thames Barrier officially opened.
1987 The Loughgall ambush: The SAS kills 8 IRA members and 1 civilian, in Loughgall, Northern Ireland.
1988 A fire at Illinois Bell‘s Hinsdale Central Office triggers an extended 1AESS network outage once considered the worst telecommunications disaster in US telephone industry history and still the worst to occur on Mother’s Day.
1997 A China Southern Airlines Flight 3456 crashed on approach into Shenzhen’s Huangtian Airport, killing 35 people.
1999 Nancy Mace became the first female cadet to graduate from The Citadel military college.
Sourced from NZ History Online & Wikipedia