In 500-1500 A.D. Europe was in a dark age, mainly because of the Bubonic Plague, the Crusades, and their Government. The main reason Europe was in a dark age was because of the Bubonic Plague. The Bubonic Plague was detrimental to Europe, because many people suffered from death and depression. If the plague doctor came to your house it meant that you had the plague. They would check if you had the purple/black boils and if you were throwing up blood. They would also try several methods to heal the plague such as blood leaking. People also thought the smell gave them the plague, so they walked around with herbs that smelled amazing. The Crusades were atrocious and very bad for the Europeans. The Priest had said if you fight with the Crusades
