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Arbor Day

Tree Day Osoo

Holiday in which individuals and groups are encouraged to plant and care for trees.

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Wikipedia | Arbor Day

Statements about Arbor Day

Instance Of

Day
Annual Event

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Described by Source

Encyclopædia Britannica 11th Edition
Statement Is Subject Of
:
1911 Encyclopædia Britannica/Arbor Day
The Encyclopedia Americana
Statement Is Subject Of
:
The Encyclopedia Americana (1920)/Arbor Day
New International Encyclopedia
Statement Is Subject Of
:
The New International Encyclopædia/Arbor Day
The New Student's Reference Work
Statement Is Subject Of
:
The New Student's Reference Work/Arbor Day
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