'Alice's Wonderland' in 1923 .
1923
I believe "Steamboat Wilie" premiered in 1927.
The first movie was Snow-White and it was made in 1937 shortly after Mickey Mouse was made by Walt Disney and is brother.
what year did walt disney first become well known
Walt Disney made it's first colored movie in 1932. Until then, everything was filmed in black and white. It was titled Flowers and Trees and won an Academy Award for the best cartoon of 1932.
The company was founded on October 16, 1923 as the "Disney Brothers Cartoon Studio. The name would evolve into "Walt Disney Productions." In 1986, Disney assumed it's current name of "The Walt Disney Company."
what year did Walt Disney first become well known
The two chipmunk cartoon characters Chip and Dale were created in the year 1943 at Walt Disney Productions. Their names were a pun inspired by the name Thomas Chippendale.
Walt Disney and the Disney Brothers Cartoon Studio (later Walt Disney Productions) constantly struggled to break even. Despite the popularity of Mickey Mouse, Disney was often in debt because he wanted to experiment with new animation technologies and longer films.
1923.
Walt Disney turned four in 1905.
Walt Disney World first opened in 1971, so at the time I answered this question it is 40 year old.