- 1875 : Birth day of Vallabhbhai Patel, Indian lawyer, freedom fighter and politician, 1st Deputy Prime Minister of India (Death on 1950)
- 1924 : World Savings Day is announced in Milan, Italy by the Members of the Association at the 1st International Savings Bank Congress (World Society of Savings Banks).
- 1952 : The United States explodes the first hydrogen bomb at Eniwetok Atoll in the Pacific.
- 1984 : Indian Prime Minister Indira Gandhi is assassinated in New Delhi by two Sikh members of her bodyguard.
- 1998 : Iraq announces it will no longer cooperate with United Nations weapons inspectors.
- 2011 : The global population of humans reaches seven billion. This day is now recognized by the United Nations as the Day of Seven Billion.
- National Unity Day in India