Tijdperk
20th century
21.457
19th century
8.845
21st century
5.588
1900-1999
4.539
18th century
2.972
1939-1945
2.311
Civil War, 1861-1865
2.251
1564-1616
1.929
1945-
1.741
1933-1945
1.603
1900 - 1999
1.421
1946-
1.414
17th century
1.187
Revolution, 1789-1799
1.166
2000-2099
922
1947-
832
Revolution, 1775-1783
812
1945-1989
809
1961-1970
802
1951-
728
2001-2010
725
1800-1899
690
1969-
683
1948-
665
1944-
591
1960-
588
1993-
581
1942-
578
1949-
575
1959-
550
1991-2000
523
1941-
512
1981-1990
507
1939 - 1945
503
Civil War, 1936-1939
502
1889-1945
499
Colonial period, ca. 1600-1775
499
16th century
491
1861-1865
491
1929
485
1943-
477
1952-
475
1955-
454
1917-1963
452
1935-
433
2001-2009
433
1936-
431
1809-1865
426
1918-1945
425
Revolution, 1917-1921
425
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