Explanation:

• The Justinian Plague: It was the deadliest pandemic that broke in the 6th century. It had spread from Egypt to Constantinople.The disease was named after the emperor Justinian as the disease hit the region during his reign of Byzantine Empire.The disease killed more than 100 million.
• Black Death: The Black Death killed more than 200 million. It struck China, Syria, India and Egypt. The disease arrived in Europe in 1347. The labour demand in Europe rose and wages tripled. It also led to a Peasant Revolt in England in 1381. Jews were blamed for spreading the illness and were burnt alive in many parts of the country.
• Spanish Flu: The Spanish Flu broke during the last phase of World War I. It killed more than 50 million people. It was recorded in Europe and later spread to Asia and America. The disease weakened German units and is still considered as one of the reasons for the fall of Germany in the war. Hence statement 2nd is incorrect.