Era
19th century
8
1946-1981
5
1858-1919
4
1901-1909
4
1935-1958
4
20th century
4
Anglo German Blockade, 1902
4
Revolution, 1903
4
1810-1830
3
1836-1926
3
1959-1990
3
1961-
3
To 1903
3
War of Independence, 1810-1822
3
War of Independence, 1810-1823
3
Wars of Independence, 1809-1830
3
1638
2
17th century
2
1809-1830
2
1901 - 1909
2
1919-1968
2
1920-1970
2
1946-1974
2
1959-
2
Since 1935
2
To 1810
2
-1548
1
-1588
1
1465?-1549
1
1515-1582
1
1539-1616
1
1548-1820
1
1557-1622
1
1565-1810
1
1647
1
1652-1692
1
1671
1
1678
1
1716-1788
1
1722-
1
1756-1823
1
1778-1842
1
1783-1830
1
1785-1841
1
1790-1873
1
1792-1840
1
1795-1830
1
1796-1878
1
1797-1851
1
1817-1896
1
more ...