Era
20th century
58
1910-1921
27
19th century
25
21st century
25
1878-1916
12
18th century
10
Famine, 1845-1852
10
1837-1883
9
1949-
9
1994-
8
1848-1929
7
1265-1321
6
17th century
5
1960-1970
5
1969-
5
Easter Rising, 1916
5
1922-
4
1801-1890
3
Partition, 1921
3
16th century
2
1882-1941
2
1922-1973
2
1964-
2
Civil War, 1922-1923
2
To 1172
2
1432-1484
1
1449-1492
1
1454-1494
1
1544-1595
1
1789-
1
1792-1866
1
1808-1893
1
1815-1875
1
1836-1925
1
1837-1901
1
1838-1903
1
1851-1860
1
1857-1916
1
1860-1920
1
1860-1922
1
1860-1949
1
1861-1870
1
1862
1
1865-1939
1
1865-1945
1
1865–1945
1
1867–1946
1
1872-1940
1
1873-1950
1
1880-1900
1
more ...