Era
20th century
13
1926-1984
10
21st century
6
1945-
5
1997-
4
1989-
3
1960-
2
1964-
2
1994-
2
19th century
2
1485-
1
16th century
1
1861-1912
1
1897-1990
1
18th century
1
1910-1936
1
1912-1928
1
1917-1936
1
1930-
1
1936-
1
1936-1953
1
1937-1986
1
1945-1964
1
1949-
1
1952-1987
1
1976-2000
1
1976-2002
1
1991-
1
1995-2005
1
1997-2007
1
2000-
1
2001-
1
2002-
1
Cultural Revolution, 1966-1976
1