Well, not all Jews celebrate Hanukkah. Some Jews, such as those in Reform and Reconstructionist Judaism, do celebrate Christmas alongside Hanukkah, but it's not a religious holiday for them. Hanukkah is a Jewish holiday that commemorates the victory of the Maccabees over the Seleucids and the rededication of the Temple in Jerusalem. Christmas, on the other hand, is a Christian holiday that celebrates the birth of Jesus Christ. It's important to remember that Judaism and Christianity are two different religions, with different beliefs, practices, and traditions.