The holidays are extra special this year. Not only is Dec. 25 Christmas, but it marks the beginning of Hanukkah. This particular alignment of the holidays is rare. In fact, it has only occurred four other times since 1900,

Hanukkah can begin as early as Nov. 28 or as late as Dec. 27. The holiday is based on the Hebrew calendar and always falls on the 25th day of Kislev.

This year, the first night of Hanukkah will fall on the same day as Christmas for the first time since 2005. Christmas and Hanukkah both always fall on the 25th, but of two different months, with Christmas coming on the Dec.