Era
20th century
173
19th century
50
1910-1921
40
18th century
27
To 1100
23
Easter Rising, 1916
21
1901-1910
16
1837-1901
10
1922-
9
1760-1820
7
1969-
7
To 1172
7
1856-1937
6
1868-1916
6
Middle Irish, 1100-1550
6
Rebellion of 1798
6
1865-1939
5
1880-1964
5
1882-1975
5
1922-23
5
1968-1998
5
1971-1980
5
Early modern, 1550-1700
5
1172-1603
4
1667-1745
4
1882-1941
4
1890-1922
4
1951-1960
4
1961-1970
4
1800-1837
3
1831-1915
3
1846-1891
3
1860-1949
3
1891-1900
3
1900-
3
1916-
3
373?-463?
3
Civil War, 1922-1923
3
12th century
2
1540?-1616
2
1595-1612
2
1763-1798
2
1775-1847
2
17th century
2
1856-1950
2
1864-1916
2
1866-1941
2
1872-1947
2
1874-1922
2
1876-1947
2
more ...