The Empire State Building finally opened in New York City on this day in 1931. Did you know that:• “Penny Black” was the world’s first adhesive postage stamp issued by Great Britain on this day in 1840• A patent was […]
Thomas Edison was an American inventor and businessman born on this day in 1847. He is best known for his inventions of electric power generation, mass communication, sound recording, and motion pictures. Did you know that:• Henry Fox Talbot was […]