1940 Anime

Butterfly, a faithful Japanese wife, waits patiently in Nagasaki for the return of her American husband, Pinkerton. She sees the Stars and Stripes fluttering atop an approaching ship and rightly surmises that Pinkerton is onboard. However, the feckless foreigner is arriving in the company of his "real" Caucasian wife, causing the heartbroken Butterfly to commit suicide. This masterpiece of Japanese silhouette animation makes the best of its source material.

(Source: The Anime Encyclopedia)

The conflict between ducklings and frogs escalates into war. However, a lightning strike makes the fighters realize the trivial nature of their battle.

(Source: TMDB)

A young man in a leotard leads a group of animals in a sumo wrestling match. The bear is the final victor of all the animals, but then loses when he must face Kintaro.