Happy International Day of Forests! Mar. 21, 2025

March 21 marks the International Day of Forests, a global observance aimed at celebrating the vital role forests play in supporting biodiversity and combating climate change. First established by the United Nations in 2013, this day encourages worldwide efforts, such as tree-planting campaigns, to raise awareness about the importance of forests and trees for future generations.

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Today in History

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Mar. 21, 2024International Day of Forests
Mar. 21, 2026International Day of Forests

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Oct. 3, 2025Glen Brittle, Isle of Skye, Scotland
Nov. 24, 2025Gwalior Fort, Madhya Pradesh, India
Oct. 24, 2024Bodie State Historic Park, California, United States
May 29, 2024World Otter Day
Feb. 3, 2026Emerald Bay and Fannette Island, Lake Tahoe, California, United States
All hail the mighty mangrove!
May 15, 2026Endangered Species Day
One rare streak
When just a pinch of salt won’t do
Feb. 4, 2024Devetashka Cave, Devetaki, Bulgaria
Sep. 16, 2025Nighttime view over the Gulf Coast
Let’s have a lek, see?
Bright blue lakes and rugged mountains
Sanctuary among the trees
Dec. 4, 2024Wildlife Conservation Day
Dec. 14, 2024Christmas Bird Count turns 125
Jan. 5, 2026A herd of impalas, Londolozi Game Reserve, South Africa
Mar. 20, 2024Cave Dale and Peveril Castle, England
Jun. 17, 2025Maritime forest in Cumberland Island National Seashore, Georgia, United States
Feb. 6, 2024Lake Tahoe
Dec. 17, 2024Traditional red fishermens cabins, Reine, Norway
A blue-tiful island
Dec. 21, 2023December solstice
The old castle at sunrise
Apr. 17, 2024Black bear cub emerges into spring
Jan. 2, 2025Ardez village, Graubunden, Switzerland
Jun 20, 2026Arched iceberg, western Antarctic Peninsula, Southern Ocean
Aug. 29, 2024Castellfollit de la Roca, Catalonia, Spain
Mar. 23, 2025World Meteorological Day
Dec. 5, 2023Neuschwanstein and Hohenschwangau Castles, Bavaria, Germany