Era
1939-1945
24
19th century
9
1800-1899
8
1900-1999
6
20th century
5
1809-1865
4
Civil War, 1861-1865
4
1804-1868
3
1831-1915
3
1800 - 1899
2
1861-1865
2
1861-1867
2
1885-1945
2
1888-1954
2
1900-1986
2
1903-1993
2
1908-1969
2
1911-1983
2
1914-1918
2
1921-1977
2
1925-2008
2
1939 - 1945
2
1971-
2
987-1515
2
Bombardment, 1942
2
European intervention, 1861-1867
2
Medieval period, 987-1515
2
Siglo XIX
2
12-41
1
1200-1368
1
1216-1294
1
13th century
1
14-37
1
1476?-1507
1
1485-1547
1
1492-1559
1
1519-1540
1
1533-1603
1
1552?-1618
1
15th century
1
1600-1775
1
1789-1900
1
1800 - 1950
1
1800-1950
1
1801-1877
1
1802-1885
1
1802?-1855
1
1812-1870
1
1815-1870
1
1833-1883
1
more ...