Independence:
30 September 1966 (from the UK)
National holiday:
Independence Day (Botswana Day), 30 September (1966)
Constitution:
March 1965; effective 30 September 1966
Legal system:
based on Roman-Dutch law and local customary law; judicial review limited to matters of interpretation; accepts compulsory ICJ jurisdiction with reservations
Suffrage:
18 years of age; universal