World Braille Day is observed on 4 January every year, marking the birth anniversary of:
- A.Louis Braille
- B.Helen Keller
- C.Thomas Edison
- D.Alexander Graham Bell
Show answer
Louis Braille, born in France on 4 January 1809, lost his sight in childhood and devised the system of raised dots that allows blind and partially sighted people to read and write by touch.
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