When did the new millennium start and end?

When was the western cordillera created? What are the reasons of the decline of feudalism? How did shopping in medieval times differ from shopping today? What is the council of contantinople? What origin is name Humeniuk? Why did Diocletian divide the roman empire in two parts? Is America in the western or eastern hemisphere? What did the Knights of the Round Table do? Which events mark the beginning and end of this period? Who were the first victims of the crusades? How did universities develop in the middle ages? Who wrote a famous book about his conquest at gaul? What did James E West invent? What was the other name for the wandering minstrels of the Middle Ages? Who invented leggings? Are the Middle Ages the same as the stone ages? What led to European exploration and expansion in the sixteenth century? What were the similarities and differences between the powers wielded by the Carolingian kings and those wielded by twelfth-century rulers? What was the first armor of a roman soldier like? Where did the last name Blackwell come from?