The World War II meme that circled the world

We know about the epic drama of World War II, but what about the jokes? The above video tells the story (as best as we can). The iconic piece of graffiti that was known, in America, as "Kilroy Was Here" traveled the world in a fashion remarkably similar to a modern meme.
Read more: https://www.youtube.com/watch?v=AFw8MSF7yE4?source=Snapzu