Era
20th century
9
19th century
7
1960-1980
2
1980-2020
2
2010
2
21st century
2
Anthropocene
2
1800-1899
1
1878-1953
1
1900-1999
1
1907-1964
1
1934-
1
1948-
1
1960-1981
1
1961-1971
1
1967-
1
1971-
1
1971-1981
1
1980-
1
1989
1
1991
1
1998
1
19e siècle
1
2001
1
20e siècle
1
Civil War, 1998-
1
Civil War, 2011-
1
Qing dynasty, 1644-1912
1
United States
1
approximately 1947-
1