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Timeline of communication technology ：ウィキペディア英語版

Timeline of communication technology
Timeline of communication technology
==Prior to 20th century==

* Prior to 3500BC – Communication was carried out through paintings of indigenous tribes.
* 3500s BC – The Sumerians develop cuneiform writing and the Egyptians develop hieroglyphic writing.
* 16th century BC – The Phoenicians develop an alphabet.
* AD 26–37 – Roman Emperor Tiberius rules the empire from island of Capri by signaling messages with metal mirrors to reflect the sun.
* 105 – Tsai Lun invents paper.
* 7th century – Hindu-Malayan empires write legal documents on copper plate scrolls, and write other documents on more perishable media.
* 751 – Paper is introduced to the Muslim world after the Battle of Talas.
* 1305 – The Chinese develop wooden block movable type printing.
* 1450 – Johannes Gutenberg finishes a printing press with metal movable type.
* 1520 – Ships on Ferdinand Magellan's voyage signal to each other by firing cannon and raising flags.
* 1792 – 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 – Charles Fenerty produces paper from a wood pulp, eliminating rag paper which was in limited supply.
* 1849 – Associated Press organizes Nova Scotia pony express to carry latest European news for New York newspapers.
* 1876 – Alexander Graham Bell and Thomas A. Watson exhibit an electric telephone in Boston.
* 1877 – Thomas Edison patents the phonograph.
* 1889 – Almon Strowger patents the direct dial telephone.

抄文引用元・出典: フリー百科事典『ウィキペディア（Wikipedia）』
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