Hmm, well! [ exposition go!! hand gestures and everything ] Let's see, they first appeared in 2307. And their goal was to eradicate war! Mostly what people saw were four Gundams-- well, it varies, actually, because of various upgrades, and I think the general confirmation was of seven distinct units, but at the beginning it was four. And those Gundams were the tools to stop fighting and unite the world!