The document discusses the history of animation from early devices like the phenakistoscope and zoetrope in the 1820s-1830s to modern animated films. It mentions key figures like Walt Disney who created Mickey Mouse in 1928 and the first full-length animated film in 1937. Digital animation became prevalent starting in the 1990s with Pixar and Disney collaborating on films. The document also references different genres of animation like anime and styles ranging from martial arts to sentimental to risqué.