Era
19th century
3
1756-1791
2
1828-1910
2
1474-1533
1
1639-1709
1
1644-1709
1
1707-1793
1
1789-1900
1
1800-1899
1
1801-1917
1
1809-1852
1
1821-1881
1
1831-1895
1
1854-1928
1
1860-1904
1
1891-1940
1
1917-1936
1
1981-1990
1
2008
1
20th century
1
Alexander I, 1801-1825
1
Geschichte
1
Nicholas II, 1894-1917
1
approximately 825-884 or 885
1
approximately 827-869
1