On May 15th:

L. Frank Baum (Wizard of Oz author) and Madeleine Albright were born. Emily Dickinson, June Carter Cash, Jerry Falwell, and Yolanda King (MLK's daughter) died (so happy about that third one )

Quote Originally Posted by Wikipedia
1928 - Release of the animated short "Plane Crazy", featuring the first appearances of Mickey and Minnie Mouse.
1940 - McDonald's is founded.