When was the Washington Monument completed?
1884
1885
1885
1885
1885
1885
1907
1884
1885
1907
1884
1885
1907
1884
1885
1883
1907
1931
1915
1884
1885
1883
1907
1931
1915
1884
1885
1883
1909
1907
1931
1915
1884
1913
1885
1883
1909
1907
1931
1915
1884
1913
1885
1883
1909
1924
1907
1931
1915
1903
1884
1913
1885
1883
1909
1924
1907
1931
1915
1903
1884
1913
1885
1883
1909
1924
1907
1931
1915
1902
1884
1913
1885
1883
1909
1903
1924
1907
1931
1915
1884
1913
1885
1883
1923
1909
1924
1907
1931
1915
1902
1903
1884
1913
1885
1883
1885.
1909
1907
1931
1915
1923
1924
1884
1913
1885
1883
1885.
1902
1909
1903
1907
1931
1915
1884
1913
1885
1883
1923
1909
1924
1907
1931
1915
1902
1903
1884
1913
1885
1883
1885.
1909
1907
1931
1915
1923
1902
1924
1884
1883
1909
1903
1907
1913
1931
1921
1885.
1915
1884
1883
1904
1923
1912
1924
1907
1931
1915
1915.
1885.
1884.
1902
1909
1903
1884
1913
1883
1907
1931
1921
1885,
1904
1915
1923
1924
1884
1883
1885.
1902
1912
1903
1932
1907
1931
1915.
1885,
1915
1909
1884
1913
1889
1921
1883
1885.
1908
1931
1904
1915
1923
1885,
1924
1883