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Holidays for Monday, April 16th, 2012

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Image for Day of the Mushroom
Also known as Mushroom Day

Observed annually on April 16th
Image for Foursquare Day
Also known as 4sqDay

Observed annually on April 16th
Image for Patriots' Day
Observed the third Monday in April
Image for On This Day in History
Things that happened on this day in years past

Multi-day Events Continuing on Monday, April 16th, 2012