What's the history behind Eeyore's Birthday Party in Austin?

AUSTIN (KXAN) — One of Austin's longest-running community traditions pays homage to the pessimistic "Winnie-the-Pooh" character.

The 59th iteration of Eeyore's Birthday Party returns Saturday to Pease District Park. Running from 11 a.m. to 8 p.m., the free event includes live music, gams, crafts, costume contests, face paintings and nonprofit vendors. All proceeds raised from vendors go back to local nonprofit organizations benefitting Central Texans.

But what his since become...