About National Arbor Day
The customary observance is to plant a tree. On the first Arbor Day, April 10, 1872, an estimated one million trees were planted. Became a national holiday in 1972. Arbor Day is Americas oldest environmental holiday and celebration. It is celebrated on the fourth Friday in April every year. It is a tree-planting holiday that was founded in Nebraska in 1872. It was created to encourage people to plant trees in Nebraska, as it was largely a treeless state.
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National Love a Tree Day
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Great American Outdoors Day
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National Wilderness Month
In 2013, President Obama proclaimed this monthly holiday to celebrate the 50th anniversary of The Wilderness Act.
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Other Observances on April 25th 2025
International Procurement Day
Celebrate International Procurement Day and the unsung heroes who shape business success with strategic sourcing and innovation.
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