1876 Innovation of the telephone

1964 Kenya became a republic

2018 WHO officially announced it will categorize gaming addiction as a mental health condition

1903 Innovation of the aeroplane

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

1994 The implementation of the North American Free Trade Agreement

1940 Winston Churchill became British Prime Minister, replacing Neville Chamberlain

1767 King Taksin was crowned King of Thailand (Siam)

1926 John Logie Baird gave the first public demonstration of a live television system

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

1956 Dutch swimmer Cockie Gastelaars broke two decades' world record for 100m freestyle

1993 Czechoslovakia was divided into two independent states

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

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

1932 Radio City Music Hall opened in New York City