1807 Innovation of the steamboat
1994 Nelson Mandela sworn in as the first black president of South Africa
1949 Queen Juliana of the Netherlands signed the papers to grant independence to Indonesia
1895 German physicist Wilhelm Conrad Röntgen discovered X-Rays
1804 Haiti declared its independence from France
1997 The United Kingdom returned Hong Kong to the People's Republic of China
1963 President John F. Kennedy signed the United States Equal Pay Act into law
1940 Winston Churchill became British Prime Minister, replacing Neville Chamberlain
1903 Innovation of the aeroplane
1932 Radio City Music Hall opened in New York City
2003 The Spirit Rover was launched by NASA to start the Mars Exploration Rover mission
1921 The Communist Party of China (CPC) was formed, and Chen Duxiu was elected its leader
1964 United States President Lyndon B. Johnson signed the Civil Rights Act into law