Era
20th century
23
1900-1999
8
1925-2011
3
21st century
3
World War, 1939-1945
3
18th century
2
1944-
2
1980-
2
19th century
2
1700-1799
1
1900 - 1999
1
1900-1951
1
1924-
1
1945-
1
1949-1998
1
1953-
1
1956-1992
1
1960-1980
1
1961-1969
1
1971-1980
1
1976-1998
1
1977-1999
1
20 century
1
2000-2099
1
Since 1980
1