Apr 26 2024
Nicolaus Copernicus recorded the first astronomical observation at Bologna on this day in 1497. Did you know that:• Charles Graham of New York was granted the first patent for artificial teeth on this day in 1822• Albert Potts of Philadelphia […]
Thomas Edison received a patent for his gramophone on this day in 1878. Did you know that:• Nicolaus Copernicus, the first to formulate a model of the universe that placed the Sun rather than Earth at its centre, was born […]
