Era
20th century
623
19th century
319
Civil War, 1861-1865
115
18th century
71
1951-
50
16th century
40
1809-1865
40
17th century
37
1900-1999
32
21st century
29
1945-1989
26
Revolution, 1775-1783
25
1933-1945
23
1945-
20
1775-1783
18
1946-
18
1783-1865
17
1861-1865
17
1922-
17
1865-1950
16
1924-
16
1800-1899
14
1706-1790
13
1954-
13
20e siècle
13
Colonial period, ca. 1600-1775
13
1882-1945
12
1918-
12
1925-
12
1732-1799
11
1743-1826
11
1930-
11
1944-
11
1960-
11
1989-
11
Early modern, 1500-1700
11
1815-1861
10
1931-
10
1933-
10
1939-
10
1942-
10
1949-
10
1958-
10
1775-1865
9
1783-1809
9
1800-1859
9
1837-1901
9
1923-
9
1928-
9
1934-
9
more ...