- Elmenteitan culture (3300-1200 BC)
- Savanna Pastoral Neolithic culture (3000 BC - 700 AD)
- Bantu culture arrives (100 BC)
- Vasco da Gama and Portugal arrive (1498)
- German East Africa (1885-1918)
- Maji Maji Rebellion (1905-1907)
- Battle of Tanga (1914)
- United Kingdom occupies Tanganyika (1916-1961)
- Tanganyika Africa National Union (1954-1977)
- Tanganyika gains independence (1961)
- Renamed to Tanzania (1964)
- Zanzibar Revolution (1964)
- U.S. embassy bombings (1998)
(This post includes any nation or civilization that occupied at least a portion of Tanzania at some point. Unless specified otherwise, the dates correspond to when a nation or civilization existed, but do not necessarily correspond to occupation of Tanzania.)