Era
Revolution, 1971
16
1971
4
1920-1975
3
1971-
3
20th century
3
1914-1951
2
1936-
2
1951-
2
1765-1947
1
1774-1890
1
1800-1999
1
1854-1922
1
1900 - 1999
1
1900-1999
1
1901-1974
1
1911-
1
1911-1999
1
1925-
1
1925-1976
1
1933-
1
1934-
1
1935-
1
1937-
1
1941-
1
1945-
1
1946-
1
1948-
1
1950-
1
1952-
1
1953-
1
1954-
1
1958-
1
1960-
1
1963-
1
1967-
1
1979-1990
1
19th century
1
21st century
1
Civil War, 1994
1
Since 1971
1