Era
20th century
81
20TH CENTURY
22
1945-
20
21st century
18
19th century
16
1951-
8
18th century
5
1960-
5
Civil War, 1936-1939
5
1911-1980
4
1939-
4
1980-
4
1991-
4
19TH CENTURY
4
To 1763 (New France)
4
1867-
3
1969-
3
17th century
2
1871-1945
2
1899-
2
1912-
2
1943-
2
1957-1963
2
Revolution, 1775-1783
2
War of 1812
2
-1969
1
1433-1499
1
1485-
1
1528-1588
1
1632-1675
1
16th century
1
1760-1860
1
1763-1791
1
1775-1783
1
1783-1815
1
1783-1842
1
1784-1841
1
1791-1841
1
1794-1860
1
1803-1885
1
1812-1815
1
1812-1870
1
1814-1876
1
1815-1875
1
1818-1883
1
1827-
1
1828-1864
1
1828-1879
1
1828-1882
1
1837-1838
1
more ...