Here will be preserved all . . . the records that bind State to State and the hearts of all our people in an indissoluble union. --President Herbert Hoover, upon laying the cornerstone of the National Archives Building, February 20, 1933 In 1803 the young republic nearly doubles in size with the Louisiana Purchase. A casualty list of the 54th Massachusetts Infantry Regiment reveals the sacrifices of the most celebrated African-American regiment that fought in the Civil War. A police blotter lists the assassination of President Abraham Lincoln, April 14, 1865. The collision of the Titanic with an iceberg is reported in a U.S. Navy memorandum of April 15, 1912. Eleanor Roosevelt resigns from the Daughters of the American Revolution in 1939 over its refusal to permit Marian Anderson to perform at Constitution Hall. The U.S. announces recognition of the State of Israel in a statement released, May 14, 1948. President John F. Kennedy's speech cards show his remarks in Berlin, June 26, 1963. President Richard M. Nixon resigns the Presidency in a letter dated August 9, 1974.