By May 1948, Nixon had co-sponsored a "Mundt-Nixon Bill" to implement "a new approach to the complicated problem of internal communist subversion... It provided for registration of all Communist Party members and required a statement of the source of all printed and broadcast material issued by organizations that were found to be Communist fronts." He served as floor manager for the Republican Party. On May 19, 1948, the bill passed the House by 319 to 58 but failed to pass the Senate.
The General Assembly selected New York City as the site for the headquarters of the UN, construction began on 14 September 1948 and the facility was completed on 9 October 1952. Its site—like UN headquarters buildings in Geneva, Vienna, and Nairobi—is designated as international territory. The Norwegian Foreign Minister, Trygve Lie, was elected as the first UN Secretary-General.
The 1948 United States presidential election was the 41st quadrennial presidential election. It was held on Tuesday, November 2, 1948. Incumbent President Harry S. Truman, the Democratic nominee, defeated Republican Governor Thomas E. Dewey. Truman's victory is considered to be one of the greatest election upsets in American history.
On November 23, 1948, the executors of Orville's estate signed an agreement for the Smithsonian to purchase the Flyer for one dollar. At the insistence of the executors, the agreement also included strict conditions for display of the airplane.
Her only film at the studio (Columbia Pictures) was the low-budget musical Ladies of the Chorus (1948), in which she had her first starring role as a chorus girl who is courted by a wealthy man, but her contract was not renewed in September 1948. Ladies of the Chorus was released the following month but was not a success.