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