In 1927, Walt sold the rights to Oswald the Lucky Rabbit, which led him to create his most famous character, Mickey Mouse, in 1928. The first Mickey Cartoon, “Steamboat Willie.” then opened in the Colon Theater in New York as the first cartoon with sound in November 1928. In 1929, Walt Created a series called Silly Symphonies, along with a coloring technique called Technicolor. Between 1931 and 1932, Walt also created the now worldwide famous characters, Pluto and Goofy.
After all of those events, Walt and Lillian had their first child, Diane Marie Disney. on December 18, 1933. Soon after, Donald Duck made his debut in 1934, in the Silly Symphonies episode called, The Wise Little Hen,” which was followed by Walt and his wife adopting Sharon Mae Disney on December 21, 1936. Additionally, Walt released the movie, “Snow White and The Seven Dwarfs,” in Los Angeles in December 21, 1937, and he later won an honorary Academy Award for the film. Sadly, Walt’s mother, Flora, died on November 26, 1938 because of defective furnace in a house Walt and Roy had bought for her and her husband. This made Walt blame himself for her death. Walt’s state of sadness got even worse when his father, Elias, died in August seventeen, 1941, only 3 years after his mother had passed away.