How well do you know our fair city and its surroundings? To mark Pittsburgh's 250th birthday being celebrated on Saturday with a giant fireworks display, the Post-Gazette magazine staff has put together a quiz that's part history, part pop culture and part trivia to test your knowledge.

We hope in the process, you'll learn something special about Pittsburgh and its citizens. And for those who answer every question correctly -- including the bonus questions -- you have a chance to win a $250 cash prize in a random drawing.

Take the online quiz now.