What year was the Jefferson Memorial built?
1943
1927
1926
1922
1927
1923
1926
1913
1939
1904
1922
1927
1907
1923
1926
1913
1939
1921
1924
1904
1922
1903
1927
1908
1907
1923
1926
1913
1939
1904
1905
1922
1902
1921
1927
1923
1926
1913
1939
1924
1903
1908
1909
1922
1927
1898
1907
1904
1923
1905
1926
1913
1939
1937
1922
1902
1921
1924
1903
1932
1927
1908
1937
1909
1926
1938
1898
1907
1931
1904
1923
1905
1913
1939
1937
1927
1938
1926
1922
1902
1921
1924
1903
1932
1908
1937
1909
1936
1938
1927
1898
1907
1931
1904
1923
1905
1926
1913
1939
1937
1936
1938
1922
1902
1921
1924
1903
1932
1927
1908
1915
1937
1909
1936
1938
1935
1898
1907
1931
1904
1923
1905
1926
1913
1939
1937
1922
1936
1938
1935
1902
1921
1924
1903
1932
1927
1908
1915
1937
1909
1936
1898
1938
1935
1907
1931
1904
1923
1905
1926
1897
1913
1939
1937
1922
1936
1938
1935
1902
1921
1924
1903
1932
1927
1908
1915
1937
1909
1936
1898
1938
1928
1935
1907
1931
1904
1923
1905
1926
1897
1913
1939
1937
1922
1936
1938
1928
1935
1902
1921
1924
1903
1912
1932
1927
1908
1899
1915
1937
1936
1938