The 5 Worst Plagues In Human History | Random Thursday

The biggest killers of humans in history are the smallest organisms on the planet. From the Bubonic Plague to Smallpox, Influenza, and AIDS, today we look at the 5 worst plagues in human history. Hey, like cool shirts? Check these out! Support me on Patreon! Follow me at all my places! Instagram: Snapchat: Facebook: Twitter: LINKS LINKS LINKS: CGP Grey’s Americapox video: Matthew Santoro: