Historical Period
20th century
137
19th century
86
18th century
42
21st century
15
1945-
13
17th century
11
1865-1918
9
1945-1989
9
Civil War, 1861-1865
9
1918-1945
6
1980-
6
1783-1865
5
1868-1963
5
To 1500
5
16th century
4
1809-1882
4
1856-1939
4
1976-
4
1492-1648
3
1819-1891
3
1870-1940
3
1879-1933
3
1883-1955
3
1891-1976
3
1923-2015
3
1989-
3
Renaissance, 1450-1600
3
Revolution, 1789-1799
3
1688-1744
2
1709-1784
2
1712-1778
2
1775-1865
2
1803-1882
2
1809-1894
2
1815-1861
2
1823-1911
2
1870-1918
2
1877-1964
2
1881-1917
2
1882-1965
2
1898-1951
2
1900-1999
2
1914-1945
2
1923-2007
2
1945-1955
2
1945-1992
2
1949-
2
1968-1989
2
1975-
2
1980-2020
2
more ...