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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A day for giving
Sep. 5, 2023Mount Segla, Senja Island, Norway
Feb. 23, 2026Great white egret, Upper Bavaria, Germany
Nov. 30, 2023Saint Andrews Day
Jan. 24, 2024Diamond Beach, Iceland
This lesson is going swimmingly
Jan. 1, 2025Happy New Year!
Jan. 24, 2026Andermatt village in the Alps, Switzerland
A starry night!
Oct. 16, 2025Eurasian lynx
Dec. 17, 2025Eurasian red squirrel in Northumberland, England
Mar. 9, 2025Daylight saving time begins
A convocation of eagles assembles
Jun. 15, 2024International Surfing Day
Aug. 26, 2025Trullo buildings in Alberobello, Apulia, Italy
What the heck is a distaff?
Feb. 10, 2024Happy Lunar New Year!
Is it green with envy?
Dec. 22, 2023Ljubljana, Slovenia
Mar. 14, 2025Celebrating Pi Day
A triumphant pose
Reflecting its stylish past today
Feb. 15, 2025The natural ice wall of Misotsuchi, Chichibu, Japan
Farewell, Ma’am
Jun. 4, 2025Cala Luna beach, Sardinia, Italy
Sep. 12, 2024World Dolphin Day
Sep. 26, 2024Blue-throated toucanet, Los Quetzales National Park, Costa Rica
Apr. 25, 2024World Penguin Day
Nov. 10, 2024Caribbean flamingos, Yucatán Peninsula, Mexico
Straight out of a fairytale