Era
20th century
83
1940-1991
33
1918-1940
22
Soviet occupation, 1940-1941
16
19th century
14
1991-
12
War of Independence, 1918-1920
11
German occupation, 1941-1944
7
Revolution, 1905-1907
5
1922-
4
18th century
3
21st century
3
To 1500
3
approximately 1600-1657
3
16th century
2
17th century
2
1839-1907
2
1870-1940
2
1896-1968
2
1900-1937
2
Revolution, 1917-1918
2
1220-1263
1
1333-1374
1
1632-1710
1
1720-1797
1
1795-1846
1
1801-1917
1
1803-1882
1
1841-1882
1
1861-1917
1
1867-1943
1
1870-1943
1
1871-1925
1
1878-1944
1
1878-1958
1
1880-1973
1
1882-1965
1
1883-1940
1
1884-1904
1
1884-1957
1
1888-1974
1
1890-1942
1
1890-1944
1
1895-1942
1
1897-1965
1
1898-1960
1
1899-1988
1
1900-1945
1
1905-1986
1
1914-1918
1
more ...