Era
20th century
9
1945-
4
20th century --
4
1991-
3
1989-
2
1469-152
1
1485?-1540
1
1509-1547
1
16th century
1
1867-1931 or
1
1871-1918
1
1903-1964
1
1908-1973
1
1912-1945
1
1916-2006
1
1917-1948
1
1917-1963
1
1918-1933
1
1918-1945
1
1919-1952
1
1924-19
1
1925-
1
1929-
1
1933-1945
1
1945-1975
1
1945-198
1
1945-1989
1
1948-
1
1952-
1
1953-1964
1
1964-
1
1975-1994
1
1976-2002
1
1989
1
1998-
1
2000-
1
2001-2009
1
2002-
1
2003-
1
20th centur
1
21st centur
1
21st century
1
220-589
1
Civil War, 1945-1949
1
Civil War, 1983-2009
1
Henry VIII, 1509-1547
1
Tiananmen Square Incident, 1989
1
To 622
1