What year was the Gateway Arch completed?
1965
1939
1939
1939
1939
1939
1927
1932
1939
1927
1926
1932
1939
1967
1913
1927
1926
1967
1932
1939
1904
1931
1913
1923
1927
1922
1967
1926
1932
1939
1965
1904
1931
1967
1913
1923
1927
1937
1922
1965
1909
1926
1932
1939
1967
1904
1969
1937
1931
1915
1913
1923
1965
1927
1922
1966
1926
1967
1932
1939
1969
1905
1937
1964
1904
1965
1970
1931
1986
1913
1923
1966
1963
1927
1976
1962
1922
1967
1938
1960
1969
1937
1982
1980
1909
1926
1964
1979
1932
1985
1939
1965
1970
1968
1986
1904
1961
1966
1963
1976
1984
1962
1931
1887
1915
1967
1913
1923
1938
1960
1969
1927
1937
1982
1980
1964
1979
1985
1965
1970
1968
1986
1926
1932
1961
1966
1939
1936
1963
1905
1976
1984
1962
1922
1967
1904
1938
1960
1969
1973
1937
1903
1982
1931
1980
1964
1979
1913
1985
1965
1927
1971
1970
1968
1986
1961
1966
1936
1963
1976
1984
1962
1909
1926
1887
1915
1967
1923
1932
1938
1960
1939
1969
1973
2001
1905
1937
1982
1980
1964
1979
1985
1965
1935
1971
1970
1968
1986
1913
1961
1966
1936
1963
1927
1976
1984
1962
1978
1922
1967
1904