Era
1721-1780
1
1730-1794
1
1760-1860
2
1784-1841
1
1792-1835
1
1795-1883
1
17th century
3
1808-1877
1
1824-1884
1
1828-1864
1
1829-1906
1
1830-1891
1
1831-1915
1
1836-1851
1
1837-1901
2
1853-1857
1
1870-
1
1871-1918
2
1885-1924
1
1887-1940
3
1887-1954
1
18th century
5
1910-2001
1
1912-1998
1
1916-1990
1
1917-1936
1
1918-1933
1
1925-
1
1926-1984
1
1928-1967
1
1929-1968
1
1933-1945
2
1945-
14
1945-1989
1
1953-
4
1960-
2
1967-
1
1969-1994
2
1976-1994
1
1989
1
1994-
2
1997-
1
19th century
43
20th century
79
21st century
22
21th century
1
Civil War, 1945-1949
1
Colonial period, ca. 1600-1775
3
Famine, 1845-1852
2
Finance
1
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