Era
1971-
30
20th century
7
1947-
5
1765-1947
3
1920-1975
3
1977-
3
1946-
2
1765 - 1947
1
1872-
1
1873-1962
1
1895-1971
1
1898-1976
1
1901-
1
1904-2002
1
1905-
1
1905-1972
1
1911-
1
1912-
1
1917-
1
1917-1999
1
1919-
1
1919-1947
1
1922-
1
1924-1995
1
1926-1984
1
1934-
1
1935-
1
1937-1989
1
1944-1975
1
1945-
1
1966-1974
1
19th century
1
997-1765
1
Ancient period
1
British occupation, 1765-1947
1
Early works to 1800
1
Revolution, 1971
1
To 997
1
active 4th century
1