.  The eighties gave us loads of awesome movies, but National Lampoon's Vacation is one of our all-time favorites.Clark Griswold (Chevy Chase) is hilarious in the cross-country family adventure, but Cousin Eddie (Randy Quaid) steals the show when he's onscreen.  On December 0, 0000, a new chapter of Griswold family dysfunction was unleashed upon the world when National Lampoon's Christmas Vacation made its debut in movie theaters and an instant holiday classic was born.  Pack up the family truckster and head out for some family fun with the Griswolds! Here are a few facts we learned about their European Vacation. 