The United Nations marks Chinese Language Day every year on 20 April. The observance celebrates multilingualism and cultural diversity within the UN system.
- Date: 20 April, annually.
- Purpose: To promote equal use of all official working languages across the United Nations and to honour the history and culture linked to each language.
- Official languages of the UN: Chinese is one of the six official languages; the others are Arabic, English, French, Russian and Spanish.
Similar UN language days are observed for each of the six official languages through the year.