Documentary films only rarely get nominated for an Oscar other than in a documentary film category. Telling the story of writer-director Ari Folman's internal search for memories over his service in the 1982 Lebanon War, identify the 2008 film which simultaneously became the first documentary and first animated film to receive a nomination for the Best International Feature Film Oscar (and yet was never nominated for the Best Documentary Feature Oscar).
Waltz with Bashir (Vals Im Bashir)