Eeyore's Birthday is an annual celebration held in Austin, Texas, on the last Saturday of April, which supports local charities through donations. This unique event attracts thousands of participants who enjoy live music, food, games, and a costume party, often dressing as characters from "Winnie the Pooh" or in creative outfits. Attendees can join drum circles with non-amplified instruments, fostering a communal atmosphere of music and joy. The celebration began as a small picnic among University of Texas students and has evolved into a large gathering that emphasizes community spirit and giving back. The festival also promotes eco-friendly practices, encouraging recycling and the use of reusable materials. Beyond Austin, Eeyore's Birthday is celebrated in other locations, such as Seattle, highlighting its widespread appeal and positive impact.