May 2025 Health Observances. Important monthly events include als awareness month and healthy vision month; This page contains a calendar of all 2025 observances instituted by the united nations and its agencies, and recognised in countries across the world.

This calendar includes health observances and other events related to mental health that you can use to join the conversation and help raise awareness about mental illnesses. Calendar view of observances observed during may 2025 by around the world.