Printing of the first German Braille alphabet in Breslau (Wroclaw)
"American Braille" by Joel W. Smith as a reformed version of the Braille alphabet is introduced in some schools for the blind in the United States (distribution of combinations of dots after statistical frequency)
William Perkins receives an U.S. Patent for a typewriter for the blind with 4 keys (not a Brailler)
Founding of the German Institute for the Blind in Marburg, the first hight school for the blind