Forefathers' Day

American  

noun

1. the anniversary of the day (December 21, 1620, in Old Style December 11) on which the Pilgrims landed at Plymouth, Mass. Owing to an error in changing the date from the Old Style to the New, it is generally observed on December 22.

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Etymology

Origin of Forefathers' Day

First recorded in 1820–30

Example Sentences

Plymouth Rock, however, was at first more directly tied to a different occasion: Forefathers’ Day, or Landing Day, on December 22, commemorating the debarkation of the Mayflower passengers in 1620.

From Time • Nov. 25, 2014

A month from the original Forefathers' Day "the common house" was completed, where the workers slept and supplies from the ship were deposited.

From William Bradford of Plymouth by Plumb, Albert Hale

For though the children were not with the explorers when they landed from the shallop on Forefathers' Day, they came five days later in the Mayflower itself.

From Old Plymouth Trails by Packard, Winthrop

So, to my joy, I found in Plymouth on my few days there on Forefathers' Day week just about the weather Bradford reports for that first voyage of the Mayflower's shallop to its harbor.

From Old Plymouth Trails by Packard, Winthrop

I hope and expect to be able to attend your banquet next Forefathers' Day.

From Autobiography of Seventy Years, Vol. 1-2 by Hoar, George Frisbie