Era
20th century
8
21st century
5
1473-1543
2
1945-
2
19th century
2
20TH CENTURY
2
Quaternary
2
1866-1919
1
1871-
1
1879-1955
1
1883-1950
1
1889-1976
1
1896-1980
1
1901-1933
1
1901-1980
1
1902-1984
1
1913-2005
1
1926-1989
1
1930-2002
1
1961-
1
1974-
1
1981-
1
1990-
1
1991-
1
Holocene
1
Unification, 1990
1