Era
20th century
16
19th century
7
1945-
5
1980-
4
1865-1918
3
18th century
2
1900-1999
2
1918-1945
2
1945-1953
2
1960-1980
2
1964-1975
2
1975-
2
20e siècle
2
Civil War, 1861-1865
2
To 1950
2
1600-1775
1
1700-1899
1
17e siècle
1
17th century
1
1800-1899
1
1809-1865
1
1845-1852 (Grande Famine)
1
1856-1929
1
1861-1865
1
1865-1921
1
1872-1916
1
1884-1972
1
18e siècle
1
1909-
1
1914-
1
1918-1932
1
1918-1940
1
1933-1945
1
1939-1945
1
1945-1992
1
1951
1
1951-
1
1953-1985
1
1964-
1
1969-
1
1980
1
1980-2020
1
1981-
1
1981-1989
1
1981-2001
1
1985
1
1989
1
1989-
1
19e siècle
1
20e s. (fin)
1
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