Era
Quaternary
34
From 2 million years ago
31
Quaternaire
17
1861-1865 (Guerre de Sécession)
14
Civil War, 1861-1865
14
Cenozoic
7
Precambrian
6
From 65 million years ago
5
From 570 million to 5 billion years ago
4
1775-1783
2
1775-1783 (Révolution)
2
1972
2
20th century
2
Revolution, 1775-1783
2
Tertiary
2
1800-1899
1
1912
1
1913
1
1958
1
1964
1
1984
1
1996
1
19e siècle
1
19th century
1
From 10 thousand to 2 million years ago
1
From 230 million to 5 billion years ago
1
From 230 to 570 million years ago
1
Geschichte 1650-1975
1
Paleozoic
1
Pleistocene
1