On November 18, 1928, Mickey Mouse was born, full grown and driving steamboat.
You may not find much information if you google it, because, in recent years, Disney has not really recognized Mickey’s birthday. Apparently they don’t want an 84 year old character but an “ageless” one (Jim Korkis explains here). Nevertheless, Mickey’s turning 84 in 2012, so pass the mouse ears! It’s time to party!
“But may the righteous be glad
and rejoice before God;
may they be happy and joyful.”