In what year was the Lincoln Memorial dedicated?
1922
1922
1922
1922
1922
1922
1922
1931
1922
1921
1931
1922
1921
1931
1922
1921
1931
1922
1921
1931
1922
1921
1931
1922
1921
1931
1922
1921
1931
1922
1921
1931
1922
1915
1921
1931
1922
1915
1923
1921
1931
1922
1915
1923
1921
1924
1932
1931
1922
1915
1923
1921
1924
1932
1931
1922
1915
1923
1921
1924
1932
1931
1922
1939
1915
1923
1921
1924
1932
1931
1939
1915
1923
1921
1924
1932
1931
1939
1922.
1915
1923
1921
1924
1932
1931
1939
1915
1923
1921
1924
1932
1914
1931
1922.
1939
1915
1923
1914
1921
1924
1932
1931
1939
1914
1915
1923
1921
1924
1932
1913
1922.
1931
1914
1939
1915
1927
1923
1921
1924
1921.
1932
1913
1914
1939
1915
1927
1923
1914
1924
1932
1913
1922.
1922,
1939
1914
1915
1927
1923
1921.
1924
1932
1913
1914
1931.
1939
1922,
1915
1922.
1927
1923
1924
1932
1913
1914
1939
1922,
1915
1921.
1927
1923
1914
1924
1932
1913
1922.
1931.
1939
1920
1914
1915
1922,
1926
1923
1924
1932
1913
1920
1927
1914
1939
1922;
1921.
1915
1922.
1923
1922,
1924
1920
1932
1913
1914
1931.
1926
1939
1915
1920
1927
1923
1914
1922,
1924