Era
20th century
80
19th century
40
1789-1900
9
18th century
9
1910-1921
6
1933-1945
6
1918-1933
5
British occupation, 1765-1947
5
1837-1901
4
1848-1918
4
1918-1945
4
1919-1947
4
1989-
4
1990-
4
17th century
3
1871-1918
3
1889-1945
3
1945-
3
1985-1991
3
1991-
3
1689-1714
2
16th century
2
1714-1837
2
1765-1947
2
1798-1942
2
1801-1917
2
1815-1870
2
1867-1918
2
1869-1948
2
1888-1918
2
1901-1910
2
1922-
2
1975-
2
George VI, 1936-1952
2
Partition, 1947
2
1057-1603
1
1760-1820
1
1763-1798
1
1775-1865
1
1789-
1
1795-1918
1
1815-1848
1
1815-1861
1
1830-1898
1
1830-1916
1
1845-1914
1
1863-1938
1
1864-1910
1
1864-1918
1
1866-1871
1
more ...