The Walt Disney Company (NYSE: DIS), commonly referred to as Disney, is an American diversified multinational mass media corporation headquartered in Walt Disney Studios, Burbank, California, United States. It is the largest media conglomerate in the world in terms of revenue. Founded on October 16, 1923, by Walt and Roy Disney as the Disney Brothers Cartoon Studio, Walt Disney Productions established itself as a leader in the American animation industry before diversifying into live-action film production, television, and travel. Taking on its current name in 1986, The Walt Disney Company expanded its existing operations and also started divisions focused upon theatre, radio, music, publishing, and online media. In addition, it has created new divisions of the company in order to market more mature content than it typically associates with its flagship family-oriented brands.