When was Nelson's Column built?
1843
1806
1806
1806
1806
1805
1806
1885
1805
1807
1806
1885
1856
1805
1807
1806
1885
1856
1805
1807
1859
1806
1885
1856
1880
1805
1807
1851
1859
1806
1885
1856
1880
1805
1807
1851
1859
1806
1885
1890
1856
1880
1809
1805
1807
1851
1859
1806
1885
1890
1856
1880
1809
1805
1807
1851
1859
1806
1885
1890
1856
1880
1809
1805
18th century
1807
1851
1859
1806
1885
1803
1890
1856
1880
1805
1807
1851
1809
1859
1806
1885
1887
1856
1880
1805
18th century
1803
1890
1807
1851
1859
1880s
1806
1885
1856
1880
1884
1805
1887
1807
1851
1809
1859
1806
1885
1880s
1890
1856
1880
1805
1803
1878
1805.
1807
1859
1806
1885
1880s
1856
1880
1851
1884
1805
1887
1807
1809
1859
1856.
1881
1806
1885.
1885
1890
1856
1880
1880s
1805
1803
1878
1805.
1807
1857
1806
1885
1887
1856
1851
1809
1808
1884
1880s
1805
1805.
1807
1880
1859
1881
1806
1815
1885
1803
1890
1856
1805
1880s
1878
1807
1857
1851
1856.
1885
1887
1805.
1856
1809
1808
1884
1819
1805
1880s
1807
1880
1859
1881
1815
1885
1895
18th Century
1806,
1890
1805.
1883
1805
1803
1878
1807
1856
1857
1814
1880s
1885