What year was the Gateway Arch completed?
1965
1931
1931
1931
1931
1931
1931
1931
1931
1931
1931
1903
1907
1931
1903
1907
1904
1931
1903
1907
1904
1931
1903
1907
1904
1931
1903
1907
1904
1931
1964
1903
1907
1964
1904
1931
1903
1932
1964
1907
1927
1904
1931
1903
1902
1964
1932
1907
1927
1904
1931
1964
1903
1902
1932
1907
1927
1964
1904
1922
1931
1903
1902
1963
1932
1926
1964
1907
1927
1962
1904
1922
1931
1939
1903
1963
1902
1964
1962
1932
1926
1959
1907
1927
1904
1922
1963
1908
1964
1960
1903
1962
1902
1959
1965
1932
1939
1926
1907
1927
1963
1964
1904
1960
1922
1962
1959
1903
1965
1902
1963
1908
1932
1926
1964
1960
1907
1927
1962
1904
1959
1922
1965
1939
1931.
1903
1963
1902
1921
1964
1960
1962
1932
1959
1907
1927
1965
1904
1922
1963
1924
1926
1964
1960
1903
1931.
1962
1902
1959
1965
1908
1932
1939
1907
1927
1963
1921
1964
1904
1960
1962
1959
1903
1965
1902
1931.
1922
1963
1924
1932
1926
1964
1960
1907
1927
1962
1904
1959
1965
1908
1939
1903
1963
1902
1921
1964
1960
1931.
1962
1932
1959
1907
1927
1965
1904
1922
1963
1924
1926
1964
1960