Era
1945-
25
20th century
22
19th century
11
Medieval period, 1066-1485
5
16th century
4
17th century
4
1564-1616
3
18th century
3
1928-
3
1979-
3
Revolution, 1789-1799
3
1608-1674
2
1818-1883
2
1837-1901
2
1856-1939
2
1864-1918
2
1917-1936
2
1921-1988
2
1945-1989
2
1960-
2
1969-
2
Early modern, 1500-1700
2
House of Austria, 1516-1700
2
Revolution, 1917-1921
2
1478-1535
1
1492-1648
1
1509-1564
1
1564-1593
1
1573?-1637
1
1596-1650
1
1667-1745
1
1689-1761
1
1724-1804
1
1770-1831
1
1772-1834
1
1788-1850
1
1798-1874
1
1818-1848
1
1840-1928
1
1855-1924
1
1865-1936
1
1869-1948
1
1876-1956
1
1882-1945
1
1885-1971
1
1889-1976
1
1896-1934
1
1897-1990
1
1899-1961
1
1901-1936
1
more ...