Era
20th century
9
1945-
3
19th century
3
Elizabeth II, 1952-
2
10 B.C.-54 A.D
1
12-41
1
16th century
1
17th century
1
1865-1936
1
1868-1917
1
1882-1941
1
1882-1950
1
1883-1924
1
1903-1950
1
1918-
1
1932-
1
1952-
1
1960-
1
1974-1993
1
1976-
1
1979-
1
1979-1997
1
1991-
1
37-68
1
42 B.C.-37 A.D
1
63 B.C.-14 A.D
1
Julio-Claudians, 30 B.C.-68 A.D
1
Tiananmen Square Incident, 1989
1