International Mountain Day Dec. 11, 2023

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.

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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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Jun. 23, 2024Dhaka, Bangladesh
Jan. 15, 2025Lake Superior, Thunder Bay, Ontario
Apr. 17, 2025Andean cocks-of-the-rock, Ecuador
Jan. 28, 2025Short-eared owl
It’s time for the Calgary Stampede!
Mar. 12, 2024Bryce Canyon National Park, Utah, USA
Nov. 19, 2023Alam-Pedja Nature Reserve, Estonia
Keep practicing, little guy
Aug. 26, 2023Berlin Cathedral and Museum Island, Berlin
Jun. 11, 2025Greater flamingos, Lüderitz, Namibia
Feb. 24, 2024Almond trees in full bloom, California
Oct. 7, 2025Fall colours below Mount Sneffels near Ridgway, Colorado, United States
Stretching to the sky
Aug. 24, 2025European fallow deer in England
Nov. 29, 2023Rockefeller Centre Christmas tree lighting
How can we help at-risk animals?
Nov. 6, 2025Celebrating Yi Peng
Jan. 22, 2025Ad-Deir, Petra, Jordan
Season of light in the City of Light
Nov. 11, 2024Banff National Park, Alberta
Apr. 27, 2025Coastal redwoods in Redwood National and State Parks, California, United States
Mar. 3, 2026World Wildlife Day
Nov. 14, 2025Manatee
Aug. 14, 2024World Lizard Day
Jun. 24, 2025Delicate Arch, Arches National Park, Utah, United States
Dec. 10, 2024Lands End, Cornwall, England
Sep. 11, 2025Monfragüe National Park, Cáceres, Extremadura, Spain
Don’t look down!
How’s the air up there?
Nov. 28, 2025Val Brandet, Brescia, Lombardy, Italy