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.
Find out moreSimilar Observances
National Love a Tree Day
This is a day to go hug a tree, though if there a thunderstorm overhead, we recommend social distancing from the tree.
Read More
Read More
Other Observances on April 25th 2025
World Penguin Day 🐧
Discover World Penguin Day, celebrated on April 25th to raise awareness for these amazing flightless birds.
Read More
Read More
International Procurement Day
Celebrate International Procurement Day and the unsung heroes who shape business success with strategic sourcing and innovation.
Read More
Read More