Era
20th century
9
18th century
6
1900-1999
6
1861-1865
3
19th century
3
Civil War, 1861-1865
3
Colonial period, ca. 1600-1775
3
1600-1799
2
1700-1899
2
1775-1865
2
1900-2099
2
21st century
2
1600-1775
1
1700 - 1799
1
1700-1799
1
1800-1918
1
1865-1898
1
1865-1918
1
1900-2002
1
1932-2012
1
1939-1952
1
Allied occupation, 1945-1952
1
Civil War, 1975-2002
1
Geschichte 1700-1800
1
Geschichte 1700-1900
1
Geschichte 1900-2000
1
To 332 B.C.
1