Era
20th century
173
19th century
96
1900-1999
52
1800-1899
32
629-700
12
1859-1930
11
21st century
11
618-907
10
Tang dynasty, 618-907
10
618-907 (Dynastie des Tang)
8
1914-1918
7
2011-2020
7
2021-2030
7
1890
6
1933
6
California
6
1907
5
20e siècle
5
1921-1930
4
1931-1940
4
1937
4
1939-1945
4
1941-1950
4
1819-1884
3
1888-1959
3
1900 - 1999
3
1900-
3
1922
3
1931
3
1934
3
Colonial period, ca. 1600-1775
3
Tʻang dynasty, 618-907
3
1837-1999
2
1843-1916
2
1887
2
1889
2
1894-1961
2
1899-1986
2
1899-1996
2
1900-1910
2
1901
2
1903
2
1907-1997
2
1910-1936
2
1910-1936 (George V)
2
1916
2
1922-2008
2
1929
2
1940
2
1942-1945
2
more ...