Era
20th century
20
Civil War, 1936-1939
12
1869-1940
11
19th century
9
17th century
3
1939-1975
3
711-1516
3
Classical period, 1500-1700
3
To 1500
3
18th century
2
1411-1456
1
1521-1898
1
1580-1645
1
1581-1635
1
15th century
1
1644-1689
1
1681-1741
1
16th century
1
1711-1758
1
1732-1808
1
1743-1826
1
1745-1834
1
1773-1822
1
1773-1859
1
1783-1865
1
1789-1900
1
1794-1835
1
1797-1879
1
1798-1871
1
1806-1873
1
1809-1882
1
1809-1898
1
1858-1934
1
1861-1958
1
1867-1949
1
1871-1944
1
1891-1966
1
1893-1973
1
1896-1968
1
1900-2002
1
1903-1958
1
1913-2006
1
1926-1999
1
1929-
1
1959-1990
1
19th centruy
1
476-1492
1
527-1081
1
647-1517
1
836-867
1
more ...