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Columbus Day

American  
[kuh-luhm-buhs dey] / kəˈlʌm bəs ˌdeɪ /

noun

  1. the second Monday in October, a U.S. legal holiday observed in many states in honor of the landing of Columbus in the West Indies on October 12, 1492: Columbus is traditionally considered the discoverer of America, though he was not the first European to reach the New World.


Columbus Day British  

noun

  1. Oct 12, a legal holiday in most states of the US: the date of Columbus' landing in the West Indies (Caribbean) in 1492

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Columbus Day

An Americanism dating back to 1890–95

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Other federal holidays, including Columbus Day, Presidents Day and Veterans Day are also inconsistently observed.

From The Wall Street Journal Jun. 18, 2026

The federal holiday, first recognized in 1937, remains Columbus Day under U.S. law.

From Salon Oct. 13, 2025

Today, Maine and New Mexico are among a handful of states that refer to Columbus Day as Indigenous Peoples’ Day to honor the native inhabitants of the land.

From Barron's Oct. 13, 2025

Originally known just as Columbus Day, the holiday, which has its roots going as far back as the 18th Century, honors the Italian explorer who arrived in America in 1492.

From MarketWatch Oct. 10, 2025

Then six weeks passed—the six weeks between Columbus Day and that 911 call—and I still had not caught the moodiness that was deepening in my friend.

From "Silent To The Bone" by E.L. Konigsburg

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