Answer: January 4
Notes: Every year January 4 is observed as World Braille Day to raise the importance of Braille, which serves as a communication medium for blind and partially sighted people. The day was first initiated by the United Nations General Assembly in 2019 and January is observed as Braille Literacy month. French Educator, who innovated the Braille system Louis Braille was born on January 4, 1809.
