Temporal Coverage
- Quaternary.8
- Cambrian7
- Cretaceous.7
- Permian7
- 1775-17836
- 1861-18656
- Colonial period, ca. 1600-17756
- Mesozoic6
- 1800-18995
- 1913.5
- 1939-19455
- 20th century5
- French and Indian War, 1755-17635
- From 65 to 140 million years ago5
- Pennsylvanian5
- Siege, 1854-18555
- 1754 - 17634
- 1918-19454
- American occupation, 1847-18484
- Cenozoic.4
