Mean Temp 13°C 55.4°F at Taegu
April 1, 1950 (Saturday)
- The 1950 United States Census was taken. After seven months of tabulation, the population on that day was announced to have been 150,697,361. The population sixty years later (April 1, 2010) would be more than doubled, at 308,745,538.
- Owen Lattimore, who had been stationed in Afghanistan when Senator Joe McCarthy accused him of being a Soviet agent within the U.S. State Department, returned to the United States to confront the charges.
- Theodore Donay, a German-born American who had previously been convicted of treason for helping a German bomber pilot escape during World War II, vanished while under investigation by the FBI. Donay rented a motorboat at California's Santa Catalina Island, then abandoned it. Hours later, a foreign submarine was sighted off of Point Arguello.
- Born: Samuel Alito, Associate Justice of the Supreme Court since 2006, in Trenton, New Jersey
- Died: Charles R. Drew, 45, African-American surgeon, who pioneered preservation techniques for use in blood banks, following an automobile accident. An urban legend arose that Drew, whose work had saved so many lives, died because he was turned away from the nearest hospital because of his race. In reality, Drew and the other three passengers in his car were taken to the Alamance General Hospital in Burlington, North Carolina, but physicians were unable to save him.
- Died: F.O. Matthiessen, 48, American historian and literary critic, after jumping to his death from the 12th story of a Boston hotel.
Nov, Dec, Jan, Feb, Mar, Apr
Between 25 November 1949 and 5 April 1950 , operations with the HRP were halted as all aircraft of that model were grounded for mechanical reasons.
The Naval Air Rocket Test Station, Lake Denmark, N.J., was established, superseding the Naval Aeronautical Rocket Laboratory, for the purposes of testing and evaluating rocket engines, components and propellants, and training service personnel in handling, servicing and operating rocket engines.