Sin dejar rastros (1918)
Sin dejar rastros (Spanish: "Without a Trace") is a 1918 Argentine animated feature film. It was written and directed by Quirino Cristiani. The plot revolved around the recent incident involving the German commander Baron von Luxburg who sank an Argentine ship intending to frame the Entente for the act. Reports from survivors helped everyone to realize what had truly happened.
More at Wikipedia.