Conversation so far:
who played dorothy in the wizard of oz
In the 1939 movie The Wizard of Oz, Dorothy was played by Judy Garland, who received an Academy Juvenile Award for her performance.
who created dorothy from the wizard of oz
Dorothy Gale is a fictional character created by American author L. Frank Baum as the main protagonist in many of his Oz novels.

Question: when does the character first appear
Self-contained rewrite: when does dorothy gale first appear