hankeringforhistory.com

Y5Bv TIL Braille was originally developed as ‘Sonography’, a means for French spies in the Napoleonic Wars to communicate without the use of light. Louis Braille would later point out the flaws in the original code, creating the version we use today.
0yBy TIL That Napoleon commissioned the development of a system that would allow his troops to communicate at night in the front lines, which was eventually taught to and perfected by 12 year old student Louis Braille.