Observances · UN international days
International Mountain Day
Tue, December 11, 2029
in 3 yr
A United Nations international day.
Every year
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International Mountain DayAn event.in 3 yrUnited Nations
International Mountain DayAn event.in 4 yrUnited NationsDetails →Source, method and history
- Source
- United Nations
- How we know
- Fixed date from the United Nations list of international days.
- Recurs
- annual
- Feed
- Subscribe to UN international days
- Changes
- 2026-09-25: added to 2029-12-11