When was the last time Hanukkah began on December 25th?

The last time Hanukkah began on December 25th was in 2016. Hanukkah is an eight-day Jewish festival that starts on the 25th day of Kislev in the Hebrew calendar, which can sometimes coincide with December 25th in the Gregorian calendar. This occurrence is relatively rare due to the differences between the lunar Hebrew calendar and the solar Gregorian calendar. The next time this alignment will happen is in 2024.