Era
19th century
20
20th century
16
1918-
11
18th century
10
Since 1918
10
1945-
9
Revolution, 1775-1783
8
1917-
7
19e siècle
5
1869-1934
4
1945-1953
4
Since 1917
4
To 1950
4
1800-1899
3
1917-1921
3
1918-1938
3
1933-1945
3
Civil War, 1861-1865
3
Colonial period, ca. 1600-1775
3
Revolution, 1917-1921
3
1775-1865
2
1783-1815
2
1789-1869
2
1859-1909
2
1861-1865
2
1865-1898
2
1878-1944
2
1879-1943
2
1888-1927
2
1891-1927
2
18e siècle
2
19 w
2
1939
2
1951-
2
1969-1974
2
1975-
2
1981-1989
2
Annexation, 1939
2
Since 1939
2
Since 1945
2
To 1775
2
1700-1899
1
1774-1861
1
1775-1783
1
1775-1783 (Révolution)
1
1775-1899
1
1792-1868
1
1796-1918
1
1814-1876
1
1829-1906
1
more ...