Some mash ups make complete sense . This is not one of them. That's not to say I wouldn't watch a television series in which Ashurbanipal and George Washington team up to solve a bizarre string of murders and disappearances in the backwoods of Louisiana (aka Louisiana). I would watch it as many times as it took for me to understand it.
The video is the creation of TPangolin, who famously gave Luke Plunkett a chance to play as his ancestors in Civilisation V via an extensive mod. If yo like what you see, he's made wallpapers of every slide in the video for you to slip comfortably beneath your icons.