-
May 20, 700
700+
Hindu-Malayan empires write legal documents on copper plate scrolls, and write other documents on more perishable media -
May 20, 751
751
Paper is introduced to the Muslim world after the Battle of Talas -
May 20, 1305
1305
The Chinese develop wooden block movable type printing -
May 20, 1450
1450
Johannes Gutenberg finishes a printing press with metal movable type -
May 20, 1520
1520
Ships on Ferdinand Magellan's voyage signal to each other by firing cannon and raising flags. -
1793
Claude Chappe establishes the first long- distance semaphore telegraph line -
1831
Joseph Henry proposes and builds an electric telegraph -
1835
Samuel Morse develops the Morse code -
1843
Samuel Morse builds the first long distance electric telegraph line -
1844
1844 Charles Fenerty produces paper from a wood pulp, eliminating rag paper which was in limited supply -
1849
1849 Associated Press organizes Nova Scotia pony express to carry latest European news for New York newspapers -
1876
1876 Alexander Graham Bell and Thomas A. Watson exhibit an electric telephone in Boston -
1877
1877 Thomas Edison patents the phonograph -
1889
1889 Almon Strowger patents the direct dial telephone -
1901
1901 Guglielmo Marcon -
1992
1992 Neil Papworth sends the first SMS (or text message). -
105
Tsai Lun invents paper