Era
20th century
19
1926-1984
12
21st century
10
1989-
7
1945-
5
1960-
4
1997-
4
1994-
3
2002-
3
1947-
2
1964-
2
19th century
2
2001-
2
1485-
1
1592-1676
1
16th century
1
17th century
1
1861-1912
1
1897-1990
1
18th century
1
1905-1994
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
1953-
1
1956-
1
1976-2000
1
1976-2002
1
1987-
1
1991-
1
1995-2005
1
1997-2007
1
2000-
1
Cultural Revolution, 1966-1976
1
To 1894
1