The first recorded Christmas celebration dates back to the year 336 AD, when the Roman emperor Constantine declared December 25th as the official date for celebrating the birth of Jesus. This date has since become the traditional date for Christmas celebrations around the world. The celebration of Christmas has evolved over the centuries, with different cultures and societies developing their own unique traditions and customs. Today, Christmas is celebrated in many different ways, from decorating trees to exchanging gifts to gathering with family and friends for a festive meal.