Era
20th century
33
1933-1945
12
21st century
10
1918-1933
9
1918-1945
8
1990-
8
19th century
8
1789-1846
3
1871-1918
3
1945-
3
1864-1920
2
1871-
2
1888-1918
2
16th century
1
1811-1877
1
1818-1883
1
1838-1917
1
1858-1918
1
1868-1935
1
1871-1919
1
1883-1950
1
1896-1947
1
1899-1966
1
1929
1
1945-1990
1
1949-
1
1954-
1
1974-1990
1
2000-
1
20th cenury
1
Renaissance, 1450-1600
1
To 1500
1
To 1933
1
Unification, 1990
1