Daily Calendar for Thursday, July 31, 2025

Events

• George Washington signed the first United States Patent Grant to Samuel Hopkins of Pittsford, Vermont, for a new method of making Potash – 1790
• David Rittenhouse, Director of the Mint, laid the cornerstone of the building being built in Philadelphia for the U.S. Mint – 1792
• Alys McKey Bryant first woman to fly a plane in Canada – 1913
• The first automobile, a Ford Model T, was permitted into Yellowstone National Park – 1915
• The Shadow radio program first aired – 1930
• 5-pound 3-ounce white crappie caught, Enid Dam, Mississippi – 1957
• IBM released the Selectric typewriter – 1961
• U.S. probe Ranger 7 relayed first moon close-ups – 1964
• Astronauts David Scott and James Irwin became the first people to drive a vehicle on the Moon – 1971
• French became the official language of Quebec – 1974
• Former Teamsters Union president, James R. Hoffa, was reported missing – 1975
• NASA released the famous Face on Mars photo, taken by Viking 1 – 1976
• The ashes of astrogeologist Eugene Shoemaker were deposited on the Moon – 1999