Era
19th century
58
20th century
32
18th century
31
16th century
13
17th century
10
1800-1899
10
Middle Ages, 500-1500
9
To 1500
9
Colonial period, ca. 1600-1775
7
15th century
6
1800-1999
6
1900-1999
6
Medieval, 500-1500
6
1700-1799
5
1700-1899
4
1865-1918
4
1975-
4
To 1775
4
1400-1599
3
1485-1603
3
1775-1865
3
1918-1945
3
Renaissance, 1450-1600
3
1172-1603
2
1775-1783
2
1783-1789
2
1789-1820
2
1815-1882
2
1841-1898
2
1845-1861
2
1853-1923
2
1858-1919
2
1862-1937
2
1865-
2
1882-1945
2
1884-1962
2
1945-
2
1945-1970
2
1945-1989
2
1971-
2
1980-
2
1989-
2
21st century
2
500-1500
2
711-1516
2
Capetians, 987-1328
2
Revolution, 1775-1783
2
To 1516
2
To 1865
2
-1583
1
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