to 2900 BCThe Sumerians develop cuneiform writing - pictographs of accounts written on clay tablets.
The Egyptians develop hieroglyphic writing.
1775 BCGreeks use a phonetic alphabet written from left to right. 1400 BCOldest record of writing in China on bones.
1270 BCThe first encyclopedia is written in Syria.
900 BCThe very first postal service - for government use in China. 776 BCFirst recorded use of homing pigeons used to send message - the winner of the Olympic Games to the Athenians. 530 BCThe Greeks start the very first library.
500 BC Papyrus rolls and early parchments made of dried reeds - first portable and light writing surfaces. to 170 BC
200 BCHuman messengers on foot or horseback common in Egypt and China with messenger relay stations built. to 100 BCSometimes fire messages used from relay station to station instead of humans. Ads
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14Romans establish postal services.
37Heliographs - first recorded use of mirrors to send messages by Roman Emperor Tiberius. 100First bound books
105 BCTsai Lun of China invents paper as we know it.
305First wooden printing presses invented in China - symbols carved on a wooden block. 1049First movable type invented - clay - invented in China by Pi Sheng. 1450Newspapers appear in Europe.
1455Johannes Gutenberg invents a printing press with metal movable type. 1560Camera Obscura invented - primitive image making.
1650First daily newspaper - Leipzig.
1714Englishmen, Henry Mill receives the first patent for a typewriter. 1793 Claude Chappe invents the first long-distance semaphore (visual or optical)...