Which edition of World Braille Day celebrated on 4 January 2022?

Which edition of World Braille Day celebrated on 4 January 2022?

Explanation

The day recognizes the contributions of Louis Braille in helping blind and visually impaired people to read and write.

The first World Braille Day was celebrated on January 4, 2019

4th edition of World Braille Day was celebrated on 4 January, 2022.