When was the Washington Monument built?
1848
1889
1876
1886
1883
1889
1876
1884
1886
1887
1888
1883
1895
1890
1889
1860
1876
1884
1886
1887
1888
1896
1869
1883
1890
1889
1876
1895
1884
1886
1887
1865
1878
1860
1883
1889
1888
1896
1869
1876
1895
1890
1886
1860
1883
1904
1884
1885
1887
1865
1866
1889
1876
1886
1878
1888
1882
1896
1875
1869
1890
1860s
1889
1883
1876
1895
1868
1904
1884
1885
1886
1860
1887
1865
1913
1866
1872
1905
1878
1893
1889
1888
1882
1896
1908
1875
1867
1869
1883
1876
1895
1890
1860s
1868
1907
1902
1904
1892
1884
1885
1886
1887
1860
1865
1913
1873
1890s
1866
1872
1905
1878
1893
1889
1870
1860s
1888
1882
1896
1908
1875
1867
1869
1894
1883
1890
1876
1895
1881
1868
1907
1891
1902
1879
1904
1890s
1860
1892
1884
1885
1886
1887
1865
1913
1873
1866
1850
1872
1851
1905
1898
1878
1893
1889
1897
1870
1888
1863
1882
1896
1908
1875
1867
1869
1894
1890
1890s
1883
1876
1895
1881
1868
1877
1907
1891
1879
1860
1902
1904
1892
1884
1885
1886
1887
1865
1913
1903
1873
1866
1872
1851
1905
1898
1878
1889
1850
1893
1897
1855
1888
1863
1882