National Arbor Day

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.

Related Observances

16May

National Love a Tree Day

• Nature
• USA

This is a day to go hug a tree, though if there a thunderstorm overhead, we recommend social distancing from the tree.

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26May

Day of the Tree

• Nature
• Venezuela

Find out the dates, history and traditions of Day of the Tree

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2Feb

World Wetlands Day

• Nature
• International

A day to raise awareness about the vital role of wetlands for people and our planet.

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14Mar

International Day of Action for Rivers

• Nature
• International

Find out the dates, history and traditions of International Day of Action for Rivers.

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18Mar

Trees Are The Key Awareness Week

• Nature
• International

Find out the dates, history and traditions of Trees Are The Key Awareness Week.

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20Mar

World Rewilding Day

• Nature
• International

Find out the dates, history and traditions of World Rewilding Day.

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Frontier Guards Day

• Military
• Armenia

Find out the dates, history and traditions of Frontier Guards Day

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Day of Remembrance of the Chernobyl tragedy

• History
• Belarus

A day to remember those affected by the world's worst nuclear accident, that took place in 1986.

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National Audubon Day

• Animals
• USA

A day to recognize the work done by the National Audubon Society to protect birds.

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National Help a Horse Day 🐎

• Animals
• USA

Find out the dates, history and traditions of National Help a Horse Day

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