A Thanksgiving trivia quiz

During this blessed week, we here at The Big Quiz Thing give thanks for many things, both big and small, both quizzy and otherwise. But there's nothing we're more thankful for than trivia. Join us in our joy by taking our Thanksgiving-themed trivia quiz. (Want answers? Visit us on Twitter or Facebook.)

1. In 2013, for the first time ever—and most likely the last time ever—Thanksgiving coincided with what other holiday?