Yes, Thanksgivukkah. For the first time since 1888, the all-American harvest celebration and the first night of the Jewish Festival of Lights coincide, on Thursday, November 28. There's even a Facebook page about it, from which we've borrowed the Woodstock-ish image.
Jonathan Mizrahi, a graduate student in quantum physics (and no relation to the designer Isaac Mizrahi, as far as I know), has calculated that this convergence of the Gregorian (secular) and Jewish (religious) calendars won't happen again until the year 79811. The redoubtable Steve Morse (mentioned in a previous post about calendars) arrived at a date slightly different from Mizrahi's, but everyone agrees that this is an extremely rare event, not to be repeated in our lifetimes.