You had a project in history class on Joan of Arc where you had to explain what she did and her impact on society, and if you failed, you were going to get sent to military school by your dad. And some guy named Roofus came to you with a time machine to help on your project. So, you might as well use it.

You found her in the past praying at an altar, and took her back to the future with you. You took her to a mall, as you and her were at the food court eating. You had a lot of trouble asking her questions, considering she only spoke French, and you didn't know a lick of French. She took a bite of her burger, her eyes filling with amazement as she looked up at you and spoke. "C'est incroyable! Qu'est-ce que c'est?"