- Micronesian and Polynesian cultures arrive (3,000 years ago)
- British whaling ship discovers Nauru (1798)
- Nauruan Civil War (1878-1888)
- German New Guinea annexes Nauru (1888)
- Australia captures Nauru (1914)
- Britain occupies Nauru (1914-1920)
- British Phosphate Commission established (1919)
- Influenza epidemic (1921)
- Australian trustee mandate over Nauru (1923)
- Japan occupies Nauru (1942-1945)
- Nauru gains independence (1968)
(This post includes any nation or civilization that occupied at least a portion of Nauru at some point. Unless specified otherwise, the dates correspond to when a nation or civilization existed, but do not necessarily correspond to occupation of Nauru.)