This document provides information about how Christmas was celebrated in the past compared to modern celebrations. It begins with anagrams related to Christmas traditions that readers solve. Then, short descriptions are given about how a person from the 2000s, 1500s (Tudor period), and 1200s (Medieval period) may have celebrated. Readers are assigned to learn about either Medieval or Tudor Christmas traditions and teach their partner. The document concludes with tasks for creating a time traveler's guide or invitation to a historical Christmas celebration.