This is a calendar of recurring national and international days of interest.
You can use this to theme and time your events, projects and awareness campaigns.

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International Mountain Day is observed on December 11th. The increasing attention to the importance of mountains led the UN declare to 2002 the UN International Year of Mountains. The first international day was celebrated for the first time the following year, 2003.

Mountains are home of the 15% of the world´s population and a quarter of the world’s land animals and plants.

https://www.un.org/en/observances/mountain-day

If you know of any other dates of interest please let us know and we will add them to the calendar. Email catherine@ien.ie.