Era
20th century
675
19th century
617
21st century
293
1564-1616
110
1929
89
17th century
66
18th century
63
Civil War, 1861-1865
61
Revolution, 1775-1783
33
1901-1953
30
1953-1961
20
1945-1953
19
Middle Irish, 1100-1550
19
1946-
16
1906-1989
10
1933-1945
10
1945-
10
1917-1963
9
1941-
9
1944-
8
2020
8
1874-1965
7
1889-1945
7
1961-1970
7
1969-
7
1945-1989
6
1951-
6
Julio-Claudians, 30 B.C.-68 A.D.
6
-1400
5
10 B.C.-54 A.D.
5
1770-1827
5
1775-1817
5
1959-
5
1959-1990
5
1969
5
2001-2009
5
Civil War, 1994
5
World War, 1939-1945
5
1491-1547
4
1809-1865
4
1816-1855
4
1890-1980
4
1897-1962
4
1924-1984
4
1929-1968
4
1929-1994
4
1947-
4
1952-
4
1954-
4
1958-
4
more ...