Era
20th century
20
19th century
12
Easter Rising, 1916
9
1910-1921
7
1882-1941
5
1916
5
1800-1899
4
1900-1999
4
1928-2002
4
21st century
4
1811-1863
3
18th century
3
1900 - 1999
3
1968-1998
3
2000 - 2099
3
Civil War, 1922-1923
3
Famine, 1845-1852
3
1700-1799
2
1800-1999
2
1880-1964
2
1884-1951
2
1896-1984
2
1921-1999
2
1922-
2
1954-1981
2
1955-
2
1956-
2
1958-1996
2
1979-1997
2
1999-
2
2000-2099
2
Attempted coup, 2002
2
Attempted coup, 2002 (April 11)
2
Elizabeth II, 1952-
2
-1951
1
-1981
1
1745 or 1746-1773
1
1775-1817
1
1784-1835
1
1800 - 1899
1
1837-1901
1
1845-1852
1
1852-1932
1
1852-1933
1
1856-1950
1
1872-1957
1
1878-1976
1
1879-1964
1
1883-1945
1
1890-1922
1
more ...