Era
1945-
7
20th century
5
1783-1865
4
19th century
4
1970-
3
16th century
2
1185-1600
1
1453-1821
1
1568-1600
1
1775-1865
1
17th century
1
1809-1847
1
1815-1861
1
1838-1892
1
1838-1918
1
1849-1861
1
18th century
1
1902-1968
1
1929-2007
1
1934-
1
1940-
1
1942-
1
1945-1970
1
1947-
1
1949-
1
1970-1991
1
1971-
1
2000 - 2099
1
21st century
1
Civil War, 1861-1865
1
To 1453
1
To 1803
1
To 1865
1
To 70 A.D.
1