Previous decade: 1930s



1940 - Chester Carlson takes out patent on his electro-photography machine


1941 - Franklin D Roosevelt Presidential Library and Museum


1943 - The Schlesinger Library on the History of Women in America


1944 – The Serviceman's Readjustment Act


1944 - Author Richard Wright's autobiography Black Boy (American Hunger) censored


1946 — The first computer - ENIAC is unveiled at the University of Pennsylvania


1947 - Verner Clapp becomes Chief Assistant Librarian at the Library of Congress.


1948 - The American Library Association adopts the Library Bill of Rights.


1948 - The Nation magazine is stricken from the public list of New York City public school libraries


1949 - The Public Library Inquiry first published


1949 - Lamont Library, the first library specifically designed for use by undergraduates, opens

Next decade: 1950s