Era
20th century
46
1940-1991
37
1991-
24
1918-1940
21
Soviet occupation, 1940-1941
17
19th century
10
War of Independence, 1918-1920
9
German occupation, 1941-1944
7
Revolution, 1905-1907
5
1922-
4
21st century
4
1953-
3
1861-1917
2
1874-1956
2
1889-1976
2
1896-1968
2
1900-1937
2
1939-1940
2
1941-
2
1956-
2
Revolution, 1917-1918
2
1220-1263
1
1333-1374
1
1655-1697
1
1672-1725
1
1684-1727
1
1688-1713
1
1689-1801
1
16th century
1
1720-1797
1
17th century
1
1801-1917
1
1802-1897
1
1808-1875
1
1839-1907
1
1854-1910
1
1854-1923
1
1861-1942
1
1867-1943
1
1868-
1
1871-1925
1
1874-1970
1
1882-1963
1
1883-1940
1
1884-1904
1
1884-1957
1
1886-1963
1
1891-
1
1895-1942
1
1895-1944
1
more ...