The human race is under attack or otherwise being menaced by alien or supernatural forces. We're outnumbered, outgunned and seemingly completely screwed. But we still refuse to surrender, and so fight back. The trope doesn't necessarily have to involve violence; any sufficiently bad threat to our survival will do, but war seems to be the norm. Almost like a species-wide Last Stand, and thus often requires a species-wide Rousing Speech. This is often why Humans Are Special. This is the human race as The Determinator. Examples of The Eternal Churchill include: