Temporal Coverage
- 750-12581
- Anglo-Saxon period, 449-10661
- Archaean1
- Civil War, 1936-19391
- Cretaceous.1
- Empire, 30 B.C.-284 A.D.1
- Expedition of Cyrus, 401 B.C.1
- From 10 thousand to 2 million years ago1
- From 2 to 10 million years ago1
- From 230 million to 5 billion years ago1
- From 230 to 280 million years ago1
- From 280 to 310 million years ago1
- From 280 to 310 million years ago.1
- From 280 to 405 million years ago1
- From 310 to 345 million years ago1
- From 405 to 500 million years ago1
- From 425 to 500 million years ago1
- From 425 to 570 million years ago1
- From 500 to 570 million years ago1
- From 570 million to 5 billion years ago1
