July 2: Prince Albert of Belgium marries Italian Donna Paola Ruffo di Calabria.
July 4: With the admission of Alaska as the 49th U.S. state earlier in the year, the 49-star flag of the United States debuts in Philadelphia, Pennsylvania.
July 7: At 14:28 UT Venus occults the star Regulus. The rare event (which will next occur on October 1, 2044) is used to determine the diameter of Venus and the structure of Venus' atmosphere.
July 14 Groups of Kurdish and communist militias rebelled in Kirkuk, Iraq against the central government.
July 15: A strike occurs against the United States' steel industry.
July 17: The first skull of Australopithecus is discovered by Louis Leakey and his wife Mary Leakey in the Olduvai Gorge of Tanzania.
July 22: Kumamoto University medical research group studying Minamata disease concludes that it is caused by mercury.
July 24: At the opening of the American National Exhibition in Moscow, United States Vice President Richard Nixon and USSR Premier Nikita Khrushchev engage ine the "Kitchen Debate".
July 25: The SR-N1 hovercraft crosses the English Channel from Calais to Dover in just over 2 hours, on the 50th anniversary of Louis Blériot's first crossing by heavier-than-air craft. (source: Wikipedia)