In the beginnings of Christianity most people were illiterate. Therefore the Bible had to be transformed into pictures and symbols; and not only the stories but also the moral duties of everybody. Images and legends of the Saints turned out as useful models for human behavior - easy to tell and easy to understand.
Later, when the crusades began, the Christian Church used propaganda against Muslims, creating pictures of evil, pagan and bloodcurdling people. While the knights and others were fighting abroad, people in Europe were told to pray for them. Daily life was connected to the crusades, also through money-collections - more for the cause of propaganda than for the need of money.
During the period of the Counter-Reformation Catholic propaganda no longer was against foreigners but turned against people at home - the Protestants; and against their publications/books, which got prohibited by starting the so-called index. By then both sides were using disinformation for
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b. Jan. 4, 1809, Coupvray, near Paris, France
d. Jan. 6, 1852, Paris, France
Educator who developed a system of printing and writing that is extensively used by the blind and that was named for him. Himself blind Braille became interested in a system of writing, exhibited at the school by Charles Barbier, in which a message coded in dots was embossed on cardboard. When he was 15, he worked out an adaptation, written with a simple instrument, that met the needs of the sightless. He later took this system, which consists of a six-dot code in various combinations, and adapted it to musical notation. He published treatises on his type system in 1829 and 1837.