| http://www.w3.org/ns/prov#value | - April Fools' Day: April Fools' Day or All Fools' Day although not a holiday in its own right, is a notable day celebrated in many countries on April 1.Black Friday:(The day after Thanksgiving, or any Friday the13th) Black Friday is the Friday after Thanksgiving in the United States, where it is the beginning of the traditional Christmas shopping season.
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