This is a list of anime by release date which covers Japanese animated productions that were made between 1917–1938. Anime in Japan can be traced back to three key figures whom in the early 20th century started experimenting with paper animation. It is unknown when the first animated film was made, but historians have tied the year 1917 as being the key date. Very few of the first animations that were made survive to this day due to a powerful earthquake that devastated Japan in 1923. At one point it was even thought that all animated works made before the earthquake were lost until the discovery of two films in 2008. Production of animated works resumed again after the earthquake, and by the early/mid 1930s sound, and cel animation were starting to appear. Later in the decade, Japan went