Era
1483-1546
7
1861-1865
6
Civil War, 1861-1865
6
1814-1905
5
1939-1945
5
1782-1865
4
1771-1824
3
1847-1902
3
1914-1918
3
1500-1599
2
1557-1622
2
1563-1570
2
1600-1814
2
1628-1688
2
1663-1727
2
16th century
2
1800-1899
2
1804-1864
2
1809-1865
2
1816-1868
2
1825-1897
2
1825-1901
2
1829-1898
2
1831-1890
2
1835-1924
2
1837-1928
2
1838-1900
2
1840-1910
2
1854-1930
2
1858-1902
2
1860-
2
1861-1930
2
1886
2
1899-1901
2
19th century
2
30-600
2
995-1030
2
Boxer Rebellion, 1899-1901
2
Christian Frederick, 1814
2
German occupation, 1940-1945
2
Primitive and early church, ca. 30-600
2
1204-1263
1
1600-1699
1
16e siècle
1
1792-1876
1
1793-1849
1
17th century
1
1814-1890,
1
1820-1892
1
1825-1864
1
more ...