What year was the Gateway Archway built?
1963
1931
1931
1931
1931
1931
1931
1931
1904
1931
1904
1931
1904
1903
1907
1931
1904
1903
1907
1931
1904
1903
1907
1931
1904
1903
1907
1931
1904
1903
1907
1931
1904
1903
1907
1932
1908
1931
1904
1903
1907
1926
1932
1908
1931
1904
1902
1903
1939
1907
1926
1932
1908
1931
1904
1902
1903
1939
1907
1926
1932
1908
1931
1904
1921
1902
1903
1939
1907
1926
1932
1908
1931
1904
1921
1902
1903
1939
1907
1926
1932
1922
1908
1931
1904
1902
1903
1939
1907
1921
1926
1932
1908
1904
1902
1922
1903
1939
1907
1926
1932
1908
1927
1904
1902
1903
1939
1907
1921
1926
1932
1908
1904
1902
1960
1922
1905
1903
1931.
1907
1926
1932
1908
1927
1960
1939
1904
1921
1964
1962
1903
1907
1902
1931.
1926
1960
1932
1922
1915
1908
1964
1962
1904
1905
1927
1960
1903
1939
1907
1921
1964
1962
1932
1931.
1908
1904
1902
1909
1926
1960
1922
1964
1962
1903
1907
1932
1915
1905
1908
1927
1931.
1960
1939
1964
1962
1903
1907
1921
1902
1909
1926
1960
1932
1922
1964
1962
1931.
1915
1905
1908
1927
1960
1903
1939
1907
1921
1964
1962
1931,
1902
1909