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Aparty hat is any of a number of celebratory hats, most typically in the form of aconical hat made with a piece of thinpaperboard, usually with designs printed on the outside and a long string of elastic acting like a chinstrap, going from one side of the cone's bottom to another to secure the cone to the person'shead. Party hats are worn most often atbirthday parties, especially by the guest of honor or atNew Year's Eve celebrations. In theUnited Kingdom the hat is made ofpaper and is in the shape of acrown, and is most typically worn during aChristmas dinner. The hat is generally received from aChristmas cracker cracked with someone near oneself at the dinner table. The party hat has its origins in thedunce cap orsanbenito[citation needed] worn by misbehaving or poorly performing schoolchildren from the mid-19th century to the early 20th century, with its festive decoration and society's positive attitude toward the wearer indicating a relaxation, or even reversal, of certainsocial norms.
Non-conical hats worn to signify an occasion's informal and festive status include decoratedtop hats, hats made fromballoons, andMickey Mouse ears. Thebeer hat or "beer helmet", patented by Steve Nelson in 1985, is another form of party hat in which cans of beer are attached to a rigid hat with a straw leading from the cans to the wearer.[1]