Era
20th century
132
1949-
62
21st century
43
19th century
30
1918-1949
26
1910-1921
25
1859-1955
12
1882-1975
12
1873-1948
10
1991-
9
1922-1949
8
1837-1901
7
1969-
7
Famine, 1845-1852
7
1921-1930
6
1969-1994
6
1872-1922
5
1918-
5
1941-1950
5
17th century
4
1922-
4
1881-1900
3
1890-1922
3
1920-1930
3
1994-
3
2000-2006
3
War of Independence, 1919-1921
3
1881-1890
2
1887-
2
1889-1975
2
1973-
2
War of 1689-1691
2
William and Mary, 1689-1702
2
b. 1841
2
1610-1688
1
1800-1837
1
1811-1820
1
1841-1850
1
1845-1919
1
1854-1932
1
1867-1954
1
1871-1940
1
1886-1971
1
1888-1947
1
18th century
1
1900-1963
1
1901-1910
1
1902-1986
1
1911-1920
1
1922-1930
1
more ...