January 19th

• 1883 The first electric lighting system employing overhead wires, built by Thomas Edison, begins service at Roselle, New Jersey
• 1903 1st regular transatlantic radio broadcast between US & England
• 1938 General Motors begins mass production of diesel engines
• 1979 US President Jimmy Carter announces he is awarding Presidential Medal of Freedom posthumously to anthropologist Margaret Mead
• 2013 Calcium deposits are discovered on Mars by NASA’s Curiosity Rover