Here are five things you may not know about Hanukkah; Hanukkah is one of the most popular Jewish holidays, but there are some things you probably don't know about the holiday. Children used to give their teachers money this time of year as a “thank you” tip. Hanukkah falls on the 25th day of the month of Kislev, which can be anywhere from November to December. The game of dreidel was inspired by a British top called a teetotum. Potato pancakes and jelly donuts are eaten to acknowledge the oil burning for eight days. Common spellings include Hanukkah, Hanukah, Chanukah, Chanuka and Chanucah.