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

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

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Aug. 24, 2025European fallow deer in England
Mar. 25, 2026Forgetmenot Pond, Kananaskis Country, Alberta
Oct. 1, 2025Clark Range, Yosemite National Park, California, United States
Jan. 8, 2025The Great Wall of China
Chasing rainbows
Apr. 18, 2026World Heritage Day
Jun. 28, 2024Stonewall uprising anniversary
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Misty mountain hop
Aug. 11, 2024Wooden path to Kennedy Lake, Vancouver Island
Jan. 22, 2026Karlovy Vary, Bohemia, Czechia
Oct. 10, 2024Ancient town of Sorano, Tuscany, Italy
History awaits atop the hill
Mar. 9, 2025Daylight saving time begins
Jul. 19, 2025Jacksons Point Lighthouse on Lake Simcoe, Ontario
Feb. 4, 2025Golden Bridge, Bà Nà Hills, Da Nang, Vietnam
A 50-year balancing act
Sep. 22, 2023World Rhinoceros Day
Dec. 15, 2023SantaPark, Lapland, Finland
Nature’s own canvas
Jan. 31, 2026International Zebra Day
Nov. 1, 2023Kenny Lake, Lake Superior Provincial Park
This blue succulent is as good as gold here
May 6, 2024The Roaches ridge in the Peak District, England
All hail the mighty mangrove!
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