Era
1922-1949
44
20th century
39
1922-
22
1874-1940
20
Civil War, 1922-1923
9
1896-1978
6
1920-1930
6
1850-1930
4
1882-1975
4
1893-1940
3
Easter Rising, 1916
3
1866-1953
2
1893-1923
2
War of Independence, 1919-1921
2
-1922
1
1851-1931
1
1854-1923
1
1886-1971
1
1888–1950
1
1889-1957
1
1910-1921
1
British occupation, 1765-1947
1
Early 20th century
1