求一篇关于圣诞节（或者圣诞节来历)的英语小短文

The name Christmas is short for “Christ's Mass”. A Mass is a kind of church service. Christmas is a religious festival. It is the day we celebrate as the birthday of Jesus.
There are special Christmas services in Christian churches all over the world. But many of the festivities of Christmas do not have anything to do with religion. Exchanging gifts and sending Christmas cards are the modern ways of celebrating Christmas in the world.
Christmas is the feast of the birth of Jesus. It is on December 25th every year. But nobody knows the actual birthday of Jesus. And Christmas has been popular since Christmas cards appeared in 1846 and the concept of a jolly Santa Claus was first made popular in the nineteenth century.