1924-Dec-30 Astronomer Edwin Hubble formally announced that the Milky Way is just one of many galaxies in the universe
1993-Jan-01 Czechoslovakia was divided into two independent states
1964-Jul-02 United States President Lyndon B. Johnson signed the Civil Rights Act into law
1940-May-10 Winston Churchill became British Prime Minister, replacing Neville Chamberlain
1895-Nov-08 German physicist Wilhelm Conrad Röntgen discovered X-Rays
1959-Jan-01 Cuban dictator Fulgencio Batista ousted by Castro-led revolution
1965-Aug-06 United States President Lyndon B. Johnson signed the Voting Rights Act into law
1767-Dec-28 King Taksin was crowned King of Thailand (Siam)
2003-Jun-10 The Spirit Rover was launched by NASA to start the Mars Exploration Rover mission
1956-Mar-03 Dutch swimmer Cockie Gastelaars broke two decades' world record for 100m freestyle
1963-Jun-10 President John F. Kennedy signed the United States Equal Pay Act into law
1926-Jan-26 John Logie Baird gave the first public demonstration of a live television system
1804-Jan-01 Haiti declared its independence from France
1917-Apr-02 President Woodrow Wilson asked Congress to declare war against Germany
1964-Dec-12 Kenya became a republic
1994-May-10 Nelson Mandela sworn in as the first black president of South Africa