This document provides an overview of theatrical genres throughout history. It begins by discussing the cultural contexts that influence genre and defines some key genres like comedy and tragedy. It then examines specific genres in more depth, including ancient Greek and Roman tragedy, medieval religious drama, Shakespearean tragedy, and modern absurdist works. The document traces how genres have evolved over time and been adapted to different cultures while still embodying universal human themes. It also explores how genres serve social functions like teaching moral lessons or providing comic relief.