• 215 BC - A temple is built on the Capitoline Hill dedicated to Venus Erycina to commemorate the Roman defeat at Lake Trasimene.
• 1014 - Battle of Clontarf: Brian Boru defeats Viking invaders, but is killed in battle.
• 1229 - Ferdinand III of Castile conquers Cáceres.
• 1343 - St. George's Night Uprising.
• 1348 - The founding of the Order of the Garter by King Edward III of England is announced on St George's Day.
• 1521 - Battle of Villalar: King Charles I of Spain defeats the Comuneros.
• 1597 - William Shakespeare's The Merry Wives of Windsor is first performed, with Queen Elizabeth I of England in attendance.
• 1635 - First public school in the United States, Boston Latin School, is founded in Boston, Massachusetts.
• 1660 - Treaty of Oliwa is established between Sweden and Poland.
• 1661 - King Charles II of England, Scotland and Ireland is crowned in Westminster Abbey.
• 1827 - William Rowan Hamilton presents his Theory of systems of rays.
• 1867 - William Lincoln patents the zoetrope, a machine which shows animated pictures by mounting a strip of drawings in a wheel.
• 1912 - Eagle Scout Scout Rank earned by Arthur Eldred in Troop 1 in Oceanside, New York.
• 1920 - The national council in Turkey denounces the government of Sultan Mehmed VI and announces a temporary constitution.
• 1920 - The Grand National Assembly of Turkey is founded in Ankara.
• 1923 - Inauguration ceremonies take place of Gdynia as a temporary military port and fishers' shelter.
• 1932 - The 153-year old De Adriaan Windmill in Haarlem, the Netherlands burns down.
• 1935 - Polish Constitution of 1935 is adopted.
• 1940 - The Rhythm Night Club fire at a dance hall in Natchez, Mississippi, kills 198 people.
• 1941 - World War II: Greek government and King George II evacuate Athens before the attacking Wehrmacht.
• 1942 - World War II: Baedeker Blitz – German bombers hit Exeter, Bath and York in retaliation for the British raid on Lübeck.
• 1948 - 1948 Arab-Israeli War: Haifa, the major port of Israel, is captured from Arab forces.
• 1955 - The Canadian Labour Congress is formed by the merger of the Trades and Labour Congress of Canada and the Canadian Congress of Labour.
• 1961 - Algiers putsch by French generals.
• 1967 - A group of young radicals are expelled from the Nicaraguan Socialist Party (PSN). This group goes on to found the Socialist Workers Party (POS).
• 1968 - Vietnam War: Student protesters at Columbia University in New York City take over administration buildings and shut down the university. see main article Columbia University protests of 1968.
• 1979 - Fighting in London between the Anti-Nazi League and the Metropolitan Police's Special Patrol Group results in the death of protester Blair Peach.
• 1982 - Conch Republic is established.
• 1982 - The ZX Spectrum is released.
• 1985 - Coca-Cola changes its formula and releases New Coke. (The response is overwhelmingly negative, and the original formula is back on the market in less than 3 months.)
• 1987 - 28 construction workers die when the L'Ambiance Plaza apartment building collapses while under construction in Bridgeport, Connecticut.
• 1988 - Pink Floyd's album Dark Side of the Moon leaves the charts for its first time after spending a record of 741 consecutive weeks (over 14 years) on the Billboard 200.
• 1990 - Namibia becomes the 160th member of the United Nations and the 50th member of the Commonwealth of Nations.
• 1993 - Eritreans vote overwhelmingly for independence from Ethiopia in a United Nations-monitored referendum.
• 1997 - Omaria massacre in Algeria: 42 villagers are killed.
• 2003 - Beijing closes all schools for two weeks because of the SARS virus.

Births