Jewish Christmas' - that's what my gentile friends called Chanukah when I was growing up in Michigan in the thirties and forties. Anachronistic, yes, but they had a point. Observing the dietary laws of separating milk and meat dishes was far easier for the handful of Jewish families in our little town than getting through December without mixing the two holidays.
Faye Moskowitz (2011). “And the Bridge Is Love”, p.33, The Feminist Press at CUNY