User: What is Christmas?
Assistant: Christmas is a Christian holiday that represents when Jesus was born.  This holiday is celebrated on December 25 every year.  Church's will have a manger setup with figures showing what the birth of Christ would have looked like thousands of years ago.  The figures represented would be the wise men, mary, joseph, and Jesus in the manger.  The wise men were led to the manger of Jesus by following a star in the sky.  Billions of people all over the world celebrate this holiday every year.