Innovations of the Telegraph By mnakan Jan 23, 1773 1st Cell Phone Invented by Martin Cooper Jan 1, 1832 Telegraph Invented by Samuel Morse Jan 1, 1870 1st Telephone Invented by Alexander Graham Bell Jan 1, 1940 Walkie Talkies Jan 1, 1992 1st SmartPhone Jan 1, 2011 IPhone 4S