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 Black Death population Yersinia pestis merchant ships European civilization society social fleas Pestilence economic Great Mortality pandemic rats religious 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 .