Historical Period
20th century
40
21st century
23
19th century
13
To 1500
9
17th century
8
18th century
8
Anthropocene
8
1945-
6
1950-
6
Middle Ages, 600-1500
6
1714-1770
3
1907-1964
3
Holocene
3
1225?-1274
2
1817-1862
2
1874-1963
2
1878-1953
2
1886-1965
2
1902-1968
2
1947-
2
476-1492
2
Civil War, 1861-1865
2
Early church, ca. 30-600
2
Early modern, 1500-1700
2
Quaternary
2
World War, 1939-1945
2
-1674
1
1096-1800
1
1182-1226
1
1452-1519
1
1575-1624
1
1600-1799
1
1628-1703
1
1631-1679
1
1685-1753
1
1707-1778
1
1709-1784
1
1735-1813
1
1737-1809
1
1760-1849
1
1801-1882
1
1803-1882
1
1809-1882
1
1810-
1
1824-1948
1
1826-1882
1
1840-1926
1
1858-1919
1
1860-1890
1
1861-2099
1
more ...