« Previous
Next »
Subject (Era)
- Quaternary59
- From 2 million years ago23
- 19th century16
- Cretaceous16
- Pleistocene14
- Pennsylvanian12
- Tokugawa period, 1600-186812
- Tertiary11
- From 65 to 140 million years ago10
- From 140 to 190 million years ago9
- From 280 to 310 million years ago9
- Holocene9
- Jurassic9
- Mesozoic8
- Ordovician8
- 18th century7
- Permian7
- Precambrian7
- Devonian6
- From 65 to 230 million years ago6