Era
20th century
13
21st century
9
1945-
4
19th century
3
1473-1543
2
1928-
2
20TH CENTURY
2
Quaternary
2
1866-1919
1
1871-
1
1879-1955
1
1883-1950
1
1887-1920
1
1889-1976
1
1896-
1
1896-1934
1
1896-1980
1
18th century
1
1900-1999
1
1901-1933
1
1901-1980
1
1902-1984
1
1905-
1
1907-
1
1910-1971
1
1912-
1
1913-2005
1
1918-1974
1
1926-
1
1926-1972
1
1926-1989
1
1930-2002
1
1961-
1
1974-
1
1981-
1
1989-
1
1990-
1
1991-
1
2001-2009
1
2009-
1
Holocene
1
Unification, 1990
1