Era
20th century
718
1945-
624
19th century
581
Since 1945
363
1965-
341
1900-1999
324
1945-1964
309
Civil War, 1861-1865
193
1800-1899
156
Since 1965
153
21st century
140
18th century
124
1900 - 1999
111
1924-2018
77
2000-2099
69
20e siècle
69
1918-1945
65
1859-1952
58
1800 - 1899
56
1922-1995
56
1935-
54
Ottoman Empire, 1288-1918
54
1923-
47
1939-1945
47
1954-
47
1800-1999
45
Colonial period, ca. 1600-1775
42
1930-
39
1946-
39
Revolution, 1775-1783
39
1915-2012
38
1942-
38
1828-1912
37
1950-
36
19e siècle
36
1929-2004
35
1933-1945
32
1865-1918
31
20e siècle
31
1937-
30
1953-1961
30
1861-1865
29
1892-1982
28
1743-1826
27
1856-1915
27
1944-
27
1880-1968
26
1959-
26
1937-2006
25
1980-2020
25
more ...