Era
21st century
4
2002-
3
20th century
3
20th century --
3
1991-
2
1998-
2
2000-
2
2008 --
2
1469-1527
1
1689-1755
1
1770-1831
1
1884-1972
1
1894-1971
1
1895-1945
1
1926-198
1
1945-
1
1945-1953
1
1945-1989
1
1953-1985
1
1960-
1
1966-1998
1
1975-1990
1
1976-2002
1
1980-
1
1989-
1
1990-
1
1997-
1
21st century --
1
To 221 BC
1
Warring States, 403-221 BC
1