What is the history of the EU 1945 to today?

What was one of the main contributions of the middle ages to Christianity? Why would a West African be enslaved in the Songhai Empire? Which of these was known as Indian saffron in the medieval period? Who was the father of Emperor Claudius? What event has been an important cause of the surge of immigration to European countries since the beginning of the 1990s? Where did frankish people come from? What is a synonym for crusades? Where did Microsoft get started? What is hiddenwiki? Farthest point reached by the Fourth Crusade? One way in which the Muslims preserved the teachings of other cultures was by? What problems did Charlemagne face? Why did the 5th crusade or the Council of Lateran end? How did kings and queens change religion in the 1500s? Did vassals passed their property on to the eldest son or all their sons in the Japanese feudalism? Where did the last name Callis originate from? What is a medieval mercer? Where and when the calendar was made? What country does the name coskun cetin cme from? How did the Enlightenment impact Western Culture?

What is the history of the EU 1945 to today?