Era
20th century
8
1945-
3
1818-1883
2
1990-
2
19th century
2
21st century
2
Middle Ages, 500-1500
2
1760-1860
1
1789-1846
1
17th century
1
1809-1865
1
1811-1877
1
1818-1881
1
1820-1895
1
1864-1920
1
1871-1919
1
18th century
1
1908-1986
1
1975-1985
1
1977-
1
1989-
1
Late 19th Century
1
To 1500
1
Unification, 1990
1