Christmas is the anniversary of the birth ofChrist, generally celebrated onDecember 25. It is one of the chief festivals of theChristian calendar and is (51) a social and family holiday.Christmas customs vary from (52) and among groups of different national (53) In most areas, however, homes and public places are (54) with evergreens,Christmas trees, (55) lights, and glittering ornaments. It is the busiest time of the year for merchants, and shops are filled (56) lavish displays and merchandise of all sorts. People sendChristmas cards and buy gifts for their families and friends.Children look forward to (57) SantaClaus. They (58) their stockings onChristmas (59) and onChristmas morning they discover the gifts that have been left for them during the night. In the afternoon, families gather to (60) presents and to share the traditionalChristmas dinner.