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0 - 1400 A.D. |
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150
A  smoke signals network covers the Roman Empire
The Roman smoke signals network consisted of towers within a visible range of each other and had a total length of about 4500 kilometers. It was used for military signaling.
For a similar telegraph network in ancient Greece see Aeneas Tacitus' optical communication system.
About 750
In Japan block printing is used for the first time.
868
In China the world's first dated book, the Diamond Sutra, is printed.
1041-1048
In China moveable types made from clay are invented.
1088
First European medieval university is established in Bologna.
The first of the great medieval universities was established in Bologna. At the beginning universities predominantly offered a kind of do-it-yourself publishing service.
Books still had to be copied by hand and were so rare that a copy of a widely desired book qualified for being invited to a university. Holding a lecture equaled to reading a book aloud, like a priest read from the Bible during services. Attending a lecture equaled to copy a lecture word by word, so that you had your own copy of a book, thus enabling you to hold a lecture, too.
For further details see History of the Idea of a University,  http://quarles.unbc.edu/ideas/net/history/history.html
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Walter Benjamin
The German philosopher Walter Benjamin (1892-1940) and author believed in the duty to educate people (including children) politically. In the German radio he had a series where he tried to do this. These texts are most important for Radio work - even today. Still he is more famous for his critiques on literature and art. Benjamin immigrated to Paris in 1934 and killed himself in 1940 at the boarder between Spain and France as he was afraid to get caught by German troops.
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