Era
19th century
127
20th century
76
18th century
70
1751-1816
28
1910-1921
25
1846-1891
21
1856-1918
21
1901-1910
16
1848-1907
14
1852-1907
12
1866-1924
12
21st century
11
1874-1940
8
1760-1820
6
1952-
6
Easter Rising, 1916
6
17th century
5
1831-1888
5
1837-1901
5
1888-1964
5
1814-1873
4
1854-1921
4
1899-1973
4
1922-
4
1980-1990
4
War of 1689-1691
4
1808-1877
3
1851-1948
3
1854-1900
3
1874-1965
3
1885-1970
3
1932-1981
3
ca. 483-577
3
1667-1745
2
1681-1757
2
1719-1788
2
1724-1766
2
1756-1837
2
1762-1830
2
1780-1820
2
1800-1837
2
1808-1892
2
1811-1863
2
1812-1870
2
1840-1850
2
1852-1934
2
1859-1943
2
1870-1922
2
1882-1975
2
1888-1957
2
more ...