What happened on July 19?

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  Washington UFO Flap of 1952 UFOs

  The July 1952 incident in which unidentified lights repeatedly appeared over Washington, D.C., the U.S. capital, and showed up on airport radar. Fighters were scrambled, and the Air Force held a major press conference explaining it as a weather phenomenon.

Events based on the old lunar calendar, or festivals whose dates vary by year, are shown on approximate dates.