International Mountain Day Dec. 11, 2023

International Mountain Day

Peek at your calendars! December 11 is International Mountain Day, a special day designated by the United Nations General Assembly back in 2003. The theme for this year"s commemoration is "Restoring mountain ecosystems," connecting with the UN"s Decade on Ecosystem Restoration.

© Hung Chung Chih/Shutterstock

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Today in History

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Dec. 11, 2024International Mountain Day
Dec. 11, 2025International Mountain Day

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Jan. 16, 2025Pinnacles National Park, California, United States
Jan. 27, 2026Dalmatian pelicans, Lake Kerkini, Greece
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A chocolate lovers favourite fruit
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A ghost on the mountain
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Sep. 17, 2024Mid-Autumn Festival
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Stepping back in time
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Scenic Mount Michener
Jan. 9, 2026Muir Woods National Monument, California, United States
Apr. 17, 2025Andean cocks-of-the-rock, Ecuador
Pretty in pink
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The grass looks greener on this side
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One on land, a million in space
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How can we help at-risk animals?
Dec. 7, 2023Verdon Gorge, France
Jun. 11, 2025Greater flamingos, Lüderitz, Namibia
Mar. 24, 2025African elephants in Namibia