Era
20th century
23
19th century
19
1757-1827
14
18th century
13
1842-1910
12
17th century
9
1900-1999
9
1861-1947
7
-1779
5
1709-1791
5
1733-1803
5
1843-1916
5
1859-1938
5
1859-1952
5
Revolution, 1775-1783
5
1706-1790
4
1730-1799
4
1800-1899
4
1804-1864
4
1879-1955
4
1891-1973
4
Middle Ages, 600-1500
4
1564-1642
3
1596-1650
3
1600-1699
3
1770-1850
3
1772-1834
3
1775-1783
3
1803-1882
3
1811-1896
3
1844-1889
3
1889-1951
3
1889-1976
3
1892-1940
3
1931-1998
3
Primitive and early church, ca. 30-600
3
To 1500
3
1284-1536
2
1588-1679
2
1627-1691
2
1700-1799
2
1724-1804
2
1783-1865
2
1874-1965
2
1876-1935
2
1891-1941
2
1892-1965
2
1899-1978
2
1904-1984
2
1904-1987
2
more ...