Era
Civil War, 1861-1865
5
1861-1865
3
1946-
3
1971-
3
19th century
3
2017-2021
3
2020
3
21st century
3
1799-1846
2
1822-
2
1828-
2
1831-1879
2
21e siècle
2
From 10 thousand to 2 million years ago
2
Pleistocene
2
Revolution, 1775-1783
2
-1846
1
-1847
1
-1922
1
1715-1774
1
1775 - 1783
1
1800-1899
1
1840-1927
1
1856-1924
1
1861 - 1865
1
1864
1
1990
1
Civil war
1