Era
20th century
122
19th century
45
1870-1924
9
1889-1977
5
1945-
5
1813-1901
4
1945-1980
4
Revolution, 1917-1921
4
(1934)
3
1869-1907
3
1882-1971
3
1885-1939
3
18th century
3
1918-1945
3
1928-
3
1932-
3
1935-
3
1473-1543
2
1564-1616
2
1821-1881
2
1828-1906
2
1840-1893
2
1852-1913
2
1857-1903
2
1858-1924
2
1882-1937
2
1884-1953
2
1915-
2
1923-
2
1925-
2
1931-
2
1933-
2
1934-
2
1936-
2
1937-
2
1979-
2
(1926)
1
(1939-1940)
1
(August 1-31, 1930)
1
(Feb. 28, 1937)
1
(March 11-18, 1923)
1
(May-October 1928)
1
(November 1918)
1
(September 1-8, 1929)
1
(September 2-8, 1923)
1
(September 2-9, 1923)
1
(September 5-11, 1926)
1
(September 7-14, 1924)
1
1397?-1468
1
1510-1568
1
more ...