Fill in the Blanks The Black Death Fill in the BlanksOnline version Fill in the Blanks game about the Black Death pandemic and its impact on society and civilization. by Pete T 1 economic population pandemic society European civilization merchant ships fleas Great Mortality social Black Death religious rats Yersinia pestis Pestilence The , also known as the and the , was the most fatal recorded in human history , resulting in the deaths of an estimated 75 - 200 million people in Eurasia from 1347 to 1351 . The disease , caused by the bacterium , was transmitted through infesting that were common on . The Black Death had devastating effects on , leading to , , and upheavals . It significantly reduced the and had a lasting impact on .