MEMES are one of the most popular kind of pictures that became viral since 1940 when the first meme was made. But what’s the history of them? What’s the history behind all these brilliant pictures that became so popular around the world? Let’s go back in time and find out more about the old meme called “Kilroy was here”. “Kilroy was here” first appeared in US during the WW2 and it became very popular at that time. You could see the little guy behind the wall looking at you painted on every wall.