- Mandara kingdom (~1500)
- Portugal arrives (16th century)
- Aro confederacy (1690-1902)
- German Kamerun (1884-1916)
- French Cameroon (1916-1960)
- British Cameroon (1916-1961)
- Kamerun campaign (1914-1916)
- Bassa insurrection (1956)
- Cameroon gains independence (1960)
- Attempted coup d'état (1984)
- Boko Haram insurgency (2009 - now)
- Cameroonian protests (2016-2017)
- Anglophone crisis (2017 - now)
(This post includes any nation or civilization that occupied at least a portion of Cameroon at some point. Unless specified otherwise, the dates correspond to when a nation or civilization existed, but do not necessarily correspond to occupation of Cameroon.)