Era
20th century
221
Revolution, 1789-1799
153
18th century
148
19th century
138
Revolution, 1775-1783
85
Revolution, 1917-1921
75
1917-1936
47
17th century
39
21st century
36
1945-
31
Puritan Revolution, 1642-1660
31
Cultural Revolution, 1966-1976
29
Revolution
28
Revolution, 1791-1804
19
Revolution, 1954-1962
19
1949-1976
17
1989-
17
1893-1976
15
Civil War, 1936-1939
15
1848-1849
14
1870-1924
13
1918-1933
13
1979-
13
1789-1900
12
1949-
12
Nicholas II, 1894-1917
12
1789-1815
11
20TH CENTURY
11
1775-1783
10
1789-1799
10
1883-1946
10
1894-1917
10
Revolution of 1688
10
Revolution, 1918
10
Revolution, 1959
10
1910-1921
9
1979-1997
9
Colonial period, ca. 1600-1775
9
Early modern, 1500-1700
9
Revolution, 1956
9
1758-1794
8
1783-1865
8
1789-1820
8
1818-1883
8
1959-
8
Civil War, 1642-1649
8
Revolution, 1979
8
1917-
7
1917-1945
7
1931-1939
7
more ...