Era
20th century
29
19th century
21
1945-
11
17th century
5
18th century
5
1960-
5
1933-1945
4
21st century
4
1812-1870
3
1918-1933
3
British occupation, 1765-1947
3
16th century
2
1801-1917
2
1865-1918
2
1925-1953
2
1945-1990
2
1945-1991
2
1960-1980
2
1961-1969
2
1969-
2
1976-
2
1980-
2
Early modern, 1500-1700
2
To 1865
2
Victoria, 1837-1901
2
1066-1485
1
1172-1603
1
1453-1683
1
1485-1509
1
1509-1547
1
1533-1917
1
1714-1837
1
1759-1806
1
1783-1852
1
1783-1865
1
1788-1850
1
1788-1914
1
1789-1815
1
1789-1900
1
1789-1945
1
1800-1950
1
1815-1861
1
1817-1878
1
1818-1903
1
1819-1880
1
1820-1903
1
1836-1909
1
1854-1900
1
1871-1918
1
1885-1964
1
more ...