International Day 2025 List. International day of happiness ( a/res/66/281) 20 mar. This page contains a calendar of all 2025 observances instituted by the united nations and its agencies, and recognised in countries across the world.

Unesco is dedicating the international day of education celebrated on 24 january 2024 to the crucial role education and teachers play in countering hate speech, a phenomenon. Air force day, national girlfriends day, respect for parents day, national mountain climbing day,.