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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29Apr

National Peace Rose Day

• Nature
• USA

This hybrid tea rose is one of the world's most popular flowers.

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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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18May

Colorado Public Lands Day

• Nature
• USA

Find out the dates, history and traditions of Colorado Public Lands Day

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30May

National Water a Flower Day 🌼

• Nature
• USA

National Water a Flower Day: Celebrating Nature's Beauty on May 30th

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Anzac Day

• Public Holiday
• Australia

Marks the anniversary of the first key military action fought by Australian and New Zealand forces during the First World War.

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World Penguin Day

• Animals
• International

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

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International Procurement Day

• Business
• International

Celebrate International Procurement Day and the unsung heroes who shape business success with strategic sourcing and innovation.

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Yom HaShoah

• History
• Israel

Find out the dates, history and traditions of Yom HaShoah.

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