Era
20th century
37
19th century
23
21st century
8
1910-1921
7
1882-1941
6
1792-1866
5
1990-2000
4
Easter Rising, 1916
4
17th century
3
1822-1897
3
1922-
3
1951-
3
Civil War, 1861-1865
3
Edward VI, 1547-1553
3
1129-1195
2
1506?-1552
2
1789-1815
2
1837-1901
2
1859-1927
2
1864-1922
2
18th century
2
1969-
2
Primitive and early church, ca. 30-600
2
War of Independence, 1919-1921
2
1063-1284
1
1151?-1202
1
1400-1600
1
1436?-1517
1
1458-1521
1
1502-1553
1
1564-1616
1
1566 or 7-1644
1
1592-1644
1
1633-1701
1
1643?-1716
1
1646-1716
1
1650-1702
1
16th century
1
16th-17th cent
1
1724-1812
1
1749-1832
1
1757-1827
1
1788-1845
1
1795-1881
1
1813-1855
1
1815-1875
1
1833-1897
1
1842-1930
1
1844-1900
1
1848-1867
1
more ...