1876 Innovation of the telephone

1921 The Communist Party of China (CPC) was formed, and Chen Duxiu was elected its leader

1940 Winston Churchill became British Prime Minister, replacing Neville Chamberlain

1835 The Treaty of New Echota was signed between the United States Government and representatives of a minority Cherokee Political Faction

1924 Astronomer Edwin Hubble formally announced that the Milky Way is just one of many galaxies in the universe

1964 Kenya became a republic

1964 United States President Lyndon B. Johnson signed the Civil Rights Act into law

1901 Guglielmo Marconi sent and received the first wireless message across the Atlantic Ocean

1965 United States President Lyndon B. Johnson signed the Voting Rights Act into law

1895 German physicist Wilhelm Conrad Röntgen discovered X-Rays

1994 Nelson Mandela sworn in as the first black president of South Africa

1903 Innovation of the aeroplane

1767 King Taksin was crowned King of Thailand (Siam)

2003 The Spirit Rover was launched by NASA to start the Mars Exploration Rover mission

1808 The slave trade became illegal when the United States enacted a law banning the importation of slaves

1997 The United Kingdom returned Hong Kong to the People's Republic of China