Era
20th century
47
1940-1991
28
1918-1940
19
1991-
17
Soviet occupation, 1940-1941
9
21st century
7
War of Independence, 1918-1920
7
19th century
5
German occupation, 1941-1944
5
1870-1940
2
1874-1956
2
1874-1970
2
1922-
2
1939-1940
2
1989-1999
2
1999
2
Revolution, 1905-1907
2
1333-1374
1
1363-1374
1
1365-1458
1
1382-1518
1
1655-1697
1
1797
1
17th century
1
1801-1917
1
1841-1882
1
1871-1925
1
1878-1930
1
1880-1973
1
1882-1965
1
1884-1940
1
1885-1963
1
1886-1963
1
1888-1911
1
1889-1976
1
1889-1977
1
1890-1944
1
1895-1944
1
1897-1965
1
1898-1960
1
18th century
1
1900-1937
1
1900-1945
1
1900-1997
1
1905-1980
1
1905-1986
1
1907-
1
1911-
1
1914-1918
1
1916-1949
1
more ...