Era
19th century
573
20th century
505
21st century
311
1564-1616
107
1929
81
17th century
66
18th century
52
Civil War, 1861-1865
40
Revolution, 1775-1783
27
Middle Irish, 1100-1550
19
1917-1963
14
Revolution, 1910-1920
13
1882-1945
12
1946-
11
1874-1965
10
1913-1994
10
1884-1962
9
1858-1919
8
1906-1989
7
-1400
6
1910-1946
6
1924-
6
1943-
6
1948-
6
1816-1855
5
1908-1973
5
1924-2018
5
1928-
5
1929-1968
5
1942-
5
1952-
5
Civil War, 2011-
5
1913-2005
4
1930-
4
1933-1999
4
1936-
4
1970-1988
4
2000-
4
Conquest, 1519-1540
4
Wars of Independence, 1810-1821
4
1723-1790
3
1756-1791
3
1808-1873
3
1889-1945
3
1897-1937
3
1898-1956
3
1913-2006
3
1933-
3
1935-1977
3
1945-
3
more ...