Which day is observed on 21 February to promote linguistic and cultural diversity worldwide, adopted by UNESCO?
A
International Mother Language Day
B
World Poetry Day
C
International Day of Sign Languages
D
World Literacy Day
Correct Answer: Option A — International Mother Language Day
Explanation:
International Mother Language Day, observed on 21 February, was adopted by UNESCO to promote linguistic and cultural diversity, originally commemorating the 1952 Bengali language movement.