First Official Groundhog Day

February 2, 1886

First Official Groundhog Day

Groundhog day is an old German tradition, and thanks to Clymer Freas, editor of the Punxsutawney Spirit, the first official groundhog day in the United States occurred on February 2, 1886, at Punxsutawney, Pennsylvania.

http://pittsburgh.about.com/cs/punxsutawney/a/groundhog_day.htm