PoliticalLegal & treatiesCulturalSpace
- 1964Independence26 April 1964 (Tanganyika united with Zanzibar to form the United Republic of Tanganyika and Zanzibar); 29 October 1964 (renamed United Republic of Tanzania); notable earlier dates: 9 December 1961 (Tanganyika became independent from UK-administered UN trusteeship); 10 December 1963 (Zanzibar became independent from UK)CIA World Factbook
- 1976Ratified the ICCPR (civil & political rights)UN Treaty Collection
- 1979First UNESCO World Heritage siteNgorongoro Conservation AreaUNESCO World Heritage
- 1984Ratified the Genocide ConventionUN Treaty Collection
- 1985Ratified CEDAW (women’s rights)UN Treaty Collection
- 1991Ratified the Convention on the Rights of the ChildUN Treaty Collection
- 2002Joined the ICC (Rome Statute)UN Treaty Collection
- 2006Most recent World Heritage inscriptionKondoa Rock-Art SitesUNESCO World Heritage
- 2018Ratified the Paris Climate AgreementUN Treaty Collection
- 2025Most recent legislative election2025-10-29IPU Parline
