International Mother Language Day 2025. The united nations' (un) international mother language day annually celebrates language diversity and variety worldwide on february 21. The premise of the celebration is rooted in the belief that languages are essential in preserving and developing cultural heritage.

International mother language day 2025 21 february celebrated every year on 21 february, unesco reiterates its commitment to linguistic diversity and invites its member states to celebrate the day in as many languages as possible as a reminder that linguistic diversity and multilingualism are essential for sustainable development. Read about international mother language day in united nations in 2025.