Era
20th century
16
1945-1989
4
1989-
4
1783
3
1945-
3
Civil War, 1861-1865
3
To 1865
3
865
2
1632-1704
1
1783-1789
1
1783-1809
1
1783-1865
1
1809
1
1809-1817
1
1843-1916
1
1849
1
1849-1861
1
1865-1898
1
1895-
1
18th century
1
1917-1963
1
1933-1945
1
1960-
1
1964-1968
1
1965-
1
1970-
1
1981-2001
1
1985-1991
1
1990-
1
1991-
1
1993-2001
1
19th century
1
2001-
1
2001-2009
1
2009-
1
21st century
1
789
1
809
1
817
1
861
1
Allied occupation, 1945-
1
Civil War, 1861
1
Revolution, 1775-1783
1
To 1775
1
To 1783
1