Era
20th century
1922-
10
1910-1921
8
1922-23
7
1969-1994
7
Easter Rising, 1916
6
1968-1998
5
1868-1916
4
1969-
4
19th century
4
20th Century
3
Civil War, 1922-1923
3
1882-1975
2
1949-
2
1954-1981
2
d. 1988
2
1629-1681
1
1691-
1
1806-1878
1
1814-1845
1
1837-1901
1
1851-1948
1
1863-1945
1
1870-1920
1
1885-1917
1
1889-1974
1
1893-1973
1
18th century
1
1916-
1
1917-2008-
1
1921-1930
1
1922-1968
1
1936-
1
1961-1970
1
1972
1
1984
1
1991-
1
Civil War, 1936-1939
1
d. 1853
1