posted by on Aug 1
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first US patent was allowed to Samuel Hopkins, for his process of making potassium compound used in soap, glass and fertilizer (1790)
posted by on Aug 1
If you're new here, you may want to subscribe to my RSS feed. Thanks for visiting!
first US patent was allowed to Samuel Hopkins, for his process of making potassium compound used in soap, glass and fertilizer (1790)
posted by on Aug 1
first US tally showed a population close to 4 million; it is now almost 300 million (1790)
posted by on Aug 1
inventor Andrew S. Hallidie successfully tested new SF model (1873)
posted by on Aug 1
became second Rocky Mountain say to join the Union (1876)
posted by on Aug 1
debuted with the The Buggles\’ \”video Killed the Radio Star\” (1981)
posted by on Aug 1
scholarship program was signed into law (1946)
posted by on Jul 31
island in the Caribbean was discovered by Columbus (1498)
posted by on Jul 31
terrorist bombing at Jerusalem campus cafeteria killed nine people, among them five Americans (2002)
posted by on Jul 31
closed due to the outbreak of World War I, but opened again 4 months later to help the war effort by selling bonds (1914)
posted by on Jul 31
first US patent was allowed to Samuel Hopkins, for his process of making potassium compound used in soap, glass and fertilizer (1790)