Era
20th century
180
19th century
130
1900-1999
52
1800-1899
40
18th century
29
21st century
22
16th century
18
1757-1827
18
17th century
17
1564-1616
12
1608-1674
10
1939-1945
9
15th and 16th centuries
8
1265-1321
7
1700-1799
7
2000-2099
7
1500-1599
6
15th century
6
1800-1999
6
20e siècle
6
Medieval, 500-1500
6
To 1500
6
1832-1898
5
2000-2020
5
1221-1284
4
1688-1747
4
1800 - 1899
4
1809-1849
4
1812-1870
4
1929-
4
1930-
4
1934-
4
1946-
4
Civil War, 1861-1865
4
-1400
3
1378-1455
3
1483-1520
3
1547-1616
3
1600-1699
3
1606-1669
3
1694-1768
3
1716-1771
3
1775-1851
3
1847-1938
3
1866-1943
3
1893-1946
3
1918-1945
3
1933-1945
3
1945-
3
1950-1970
3
more ...