Era
19th century
45
1800-1837
27
20th century
23
1880-1900
19
1922-
12
1831-1840
10
1910-1921
10
To 1100
10
To 1603
9
1786-1834
6
1821-1830
6
1837-1901
6
1172-1603
5
1826-1850
5
1857-1916
5
18th century
5
Easter Rising, 1916
5
Middle Irish, 1100-1550
5
1825
4
Civil War, 1922-1923
4
1767-1838
3
1805-1865
3
1826-1840
3
1860-1920
3
373?-463?
3
1201-1600
2
1572-1602
2
1779-1852
2
1790-1866
2
17th century
2
1821-1840
2
1823
2
1827
2
1829-1898
2
1835
2
1857-1921
2
1888-1964
2
1899-1971
2
1922-1949
2
1949-
2
21st century
2
Middle Ages, 600-1500
2
1239-1307
1
1284-1327
1
1475?-1530
1
1621-1695
1
1629-1718
1
1633-1657
1
1650-1702
1
1656-1698
1
more ...