Era
19th century
14
Colonial period, ca. 1600-1775
10
17th century
9
Civil War, 1861-1865
9
Revolution, 1775-1783
8
To 1500
8
18th century
7
1775-1865
5
Medieval period, 1066-1485
5
1066-1485
4
1500-1599
4
16th century
4
1775 - 1899
4
1964-
4
20th century
4
To 1763 (New France)
4
1800-1999
3
1947-
3
1966-
3
To 1763
3
1268-1492
2
1272-1307
2
1328-1589
2
1548-1820
2
1566-1625
2
1619-1690?
2
1708-1781
2
1713-1790
2
1743-1826
2
1800-1899
2
1863-1950
2
1914-1918
2
1939-1945
2
1941-
2
1945-
2
1950-
2
1953-
2
1954-
2
1956-
2
1957-
2
1962-
2
1967-
2
1970-
2
1971-
2
1983-
2
1984-
2
987-1328
2
Chosŏn dynasty, 1392-1910
2
Edward I, 1272-1307
2
Henry II, 1154-1189
2
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