Era
20th century
244
19th century
123
1945-
62
18th century
28
1965-
23
21st century
22
1896-1980
19
1564-1616
11
1770-1850
11
17th century
9
1896-1934
9
20TH CENTURY
9
1771-1855
6
1772-1834
6
1960-
6
1961-
6
16th century
5
1859-1952
5
1918-1945
5
1945-1989
5
History
5
1770-1859
4
1882-1941
4
1910-1936
4
1926-
4
1926-1984
4
1930-2002
4
1948-1994
4
1949-
4
1949-1976
4
1951-
4
1964-
4
1969-1974
4
1981-
4
1492-1648
3
1775-1817
3
1775-1835
3
1785-1859
3
1818-1883
3
1822-1888
3
1918-1933
3
1918-1961
3
1932-
3
1933-1945
3
1942-
3
1945-1955
3
1969-
3
1969-1994
3
Civil War, 1642-1649
3
Civil War, 1861-1865
3
more ...