- 1920-12-17 British Empire receives League of Nations mandate over Nauru
- 1947-11-01 UN trusteeship for Nauru granted to Australia, NZ & UK
- 1968-01-29 Nauru (formerly Pleasant Island) adopts constitution
- 1968-01-31 Nauru (formerly Pleasant Island) declares independence from Australia
- 1999-09-14 Kiribati, Nauru and Tonga join the United Nations.
- 1922-09-25 Hammer DeRoburt, First President of Nauru, born in Nauru (d. 1992)
- 1946-02-14 Bernard Dowiyogo, President of Nauru (d. 2003)
- 1948-06-20 Ludwig Scotty, Nauruan politician (President of Nauru, 10 weeks in 2003, 2004-07; Speaker of Parliament, 2000-02, Feb- Apr 2004; 2010-16), born in Anabar, Nauru
- 1959-12-31 Baron Waqa, Nauruan politician and musician, born in Boe District, Nauru
- 1982-04-26 Joanne Gobure, Nauruan poet, born in Denigomodu, Nauru