Wikipedia:Selected anniversaries/September 30
September 30: Independence Day in Botswana (1966)
- 1399: The Duke of Lancaster deposed Richard II to become Henry IV of England (pictured), merging the Duchy of Lancaster with the crown.
- 1966: Seretse Khama became the first President of Botswana when the Bechuanaland Protectorate gained independence from the United Kingdom.
- 1980: Ethernet specifications were first published by Xerox, Intel and Digital Equipment Corporation.
- 1982: The sitcom Cheers was first broadcast on U.S. television.
- 1991: Haitian President Jean-Bertrand Aristide was overthrown in a coup d'état and replaced by General Raoul Cédras. A large-scale exodus of boat people ensued.
Recent days: September 29 – September 28 – September 27
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