April 23

Wednesday 23, 2003:

Beijing closes all schools for two weeks due to the SARS virus.

Monday 23, 2001:

Intel introduces the Pentium 4 Processor.

Wednesday 23, 1997:

Omaria massacre in Algeria; 42 villagers killed.

Saturday 23, 1994:

Physicists discover the top quark subatomic particle.

Friday 23, 1993:

Eritreans vote overwhelmingly for independence from Ethiopia in a United Nations-monitored referendum.

Monday 23, 1990:

Namibia becomes the 160th member of the United Nations and the 50th member of the British Commonwealth.

Tuesday 23, 1985:

New Coke, a marketing disaster is introduced.

Monday 23, 1979:

Fighting in London between the Anti-Nazi League and the Metropolitan Police's Special Patrol Group results in the death of protestor Blair Peach.

Tuesday 23, 1974:

A Pan American World Airways Boeing 707 crashes in Bali, Indonesia, killing 107.

Tuesday 23, 1968:

Vietnam War: Student protesters at Columbia University in New York City take over administration buildings and shut down the university.

Sunday 23, 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).

Monday 23, 1956:

Elvis Presley makes his first appearance in Las Vegas, Nevada.

Friday 23, 1954:

Hank Aaron hits his first major league home run.

Friday 23, 1948:

1948 Arab-Israeli War: Haifa, the major port of Israel, is captured from Palestinian forces.

Thursday 23, 1942:

World War II: Baedeker Blitz – German bombers hit Exeter, Bath and York in retaliation for the British raid on Lübeck.

Tuesday 23, 1940:

A fire at a dance hall in Natchez, Mississippi kills 198 people.

Tuesday 23, 1935:

Polish Constitution of 1935 is adopted.

Saturday 23, 1932:

The 153-year old De Adriaan Windmill in Haarlem, the Netherlands burns down.

Monday 23, 1923:

Inauguration ceremonies take place of Gdynia as a temporary military port and fishers' shelter.

Friday 23, 1920:

The national council in Turkey denounces the government of Sultan Mehmed VI and announces a temporary constitution.

Tuesday 23, 1867:

William Lincoln patents the zoetrope, a machine which shows animated pictures by mounting a strip of drawings in a wheel.

Monday 23, 1827:

William Rowan Hamilton presents his Theory of systems of rays.

Saturday 23, 1661:

King Charles II of England, Scotland and Ireland is crowned in Westminster Abbey.

Friday 23, 1660:

Treaty of Oliwa is established between Sweden and Poland.

Wednesday 23, 1597:

Shakespeare's The Merry Wives of Windsor is first performed, with Queen Elizabeth I of England in attendance.

Sunday 23, 1533:

The Church of England annuls the marriage between Catherine of Aragon and Henry VIII of England.

Saturday 23, 1521:

Battle of Villalar: King Charles I of Spain defeats the Comuneros.

Tuesday 23, 1348:

The founding of the Order of the Garter by King Edward III of England is announced on St George's Day.

Saturday 23, 1014:

Battle of Clontarf: Brian Boru defeats Viking invaders, but is killed in battle.

Monday 23, -215:

A temple is built on the Capitoline Hill dedicated to Venus Erycina to commemorate the Roman defeat at Lake Trasimene.

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