1840-1850
1839
1835
2000-100 BCE
1837
1850
1841
1842
1840
1845
1849
1846
1835-1845
1840-1845
1843
1893-4
1863-7
1838
1844
1955; 1830
circa 1840
1836
1934
1990-96
circa 1848