he invented it when he invented braille.
1824
Braille was invented in 1821, though probably not in one day. Louis Braille was twelve years old when he invented the system, though it was not widely accepted at the time. The Braille system became the official reading and writing method of the National Institute for Blind Youth only six months after Louis Braille's death in 1852.
1809
1892
Albert Einstein did not invent mathematics.
The braille system was invented in 1821.
Louis Braille invented Braille in 1826.
Braille was created by Louis Braille, a French educator, in 1824. Louis Braille developed the tactile writing system as a way for blind individuals to read and write by using raised dots on paper to represent letters and words.
because the army people used something similar share top-secret information on the battlefield without even having to speak. Unfortunately, the code was too hard for the soldiers, but not for 12-year-old Louis!
Louis Braille invented braille in 1824
1824
no louis never had a wife nor any kids
Louis Braille was recognized for his achievement of inventing the Braille system in the year 1824. His work was honored posthumously with the naming of the Braille system after him and its widespread adoption as the standard script for blind individuals worldwide.
Braille developed in 1824 by 15 year old Louis Braille. Braille was blinded by an accident in his father's shop when he was 3.
Braille was invented in 1821, though probably not in one day. Louis Braille was twelve years old when he invented the system, though it was not widely accepted at the time. The Braille system became the official reading and writing method of the National Institute for Blind Youth only six months after Louis Braille's death in 1852.
perpetual watch
January 6, 1852 two days after his 43rd birthday