When was Nelson's Column built?
1843
1860
1860
1830
1838
1825
1860
1820
1829
1830
1861
1828
1838
1796
1840
1825
1860
1820
1827
1848
1829
1830
1861
1838
1850
1828
1825
1826
1860
1820
1827
1796
1840
1830
1838
1797
1851
1848
1802
1859
1829
1860
1820
1860s
1830
1824
1789
1861
1828
1825
1826
1865
1850
1860
1838
1815
1816
1827
1796
1797
1851
1840
1830s
1830
1848
1802
1859
1829
1820s
1824
1789
1825
1860
1820
1850
1860s
1861
1828
1843
1826
1865
1838
1805
1845
1840
1840s
1860
1837
1806
1823
1815
1839
1816
1795
1796
1830
1830s
1827
1863
1797
1851
1848
1835
1802
1842
1859
1860
1820s
1832
1803
1829
1847
1833
1846
1804
1789
1820
1850
1860s
1824
1861
1828
1843
1825
1826
1793
1857
1801
1865
1850s
1838
1805
1837
1845
1806
1823
1815
1840
1790
1830s
1830
1839
1788
1836
1816
1827
1795
1796
1797
1851
1820s
1860
1863
1848
1835
1802
1798
1842
1858
1859
1832
1803
1860s
1840s
1829
1847
1833
1831
1846
1821
1783
1804
1820
1850
1844
1849
1824
1789
1834
1861
1843
1825
1826
1814
1830s
1866
1828
1793
1857
1801
1865
1799
1838
1820s
1790
1860s
1805
1837
1845
1806
1862