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 WORLD-INFOSTRUCTURE > TIMELINE OF COMMUNICATION SYSTEMS > 0 - 1400 A.D.
  0 - 1400 A.D.


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




browse Report:
Timeline of Communication Systems
-3   Timeline of Communication Systems: Introduction
-2   4000 - 1000 B.C.
-1   1000 B.C. - 0
0   0 - 1400 A.D.
+1   1400 - 1500 A.D.
+2   1500 - 1700 A.D.
+3   1700 - 1800 A.D.
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