Like Shark Week and The Purge, Thanksgiving is a truly American holiday. We are, despite some evidence to the contrary, a charmed nation, and this Thursday, if we’re lucky, we can gather with our families and/or loved ones and say, “Know what? I’ve got some things to be grateful for.”

Ah, but thankfulness is easy. It’s the holiday part — full of unwritten rules and annoying obligations — that can be tricky. Which brings us to this quiz, aimed to guide you through this yearly minefield of faux pas and confrontations.

Patrick Rapa is a writer living in Philadelphia.