Era
20th century
1,458
1564-1616
1,419
19th century
694
1900-1999
471
1939-1945
393
1800-1899
258
1947-
188
18th century
128
1812-1870
119
1945-
115
1957-
115
1775-1817
112
17th century
109
1900 - 1999
109
Civil War, 1861-1865
104
1860-1904
103
Early modern and Elizabethan, 1500-1600
103
1949-
101
1960-
92
1828-1910
84
1955-
84
1821-1881
82
1914-1918
77
1944-
77
1948-
77
1958-
77
1971-
77
1908-1964
76
21st century
76
Revolution, 1917-1921
76
1961-
72
1954-
71
1962-
71
1939-
69
1950-
67
German occupation, 1940-1945
67
1888-1953
66
1956-
65
1802-1885
63
1911-1983
63
1930-
63
1952-
62
1967-
62
1933-1945
61
1943-
61
1964-
60
20e siècle
60
1934-
59
1935-
59
1946-
59
more ...