What is klavus?

When did the 18th century start and end? What are the following was not a major art form during the European Middle Ages? What is the historical significance of the crusades? In which years did the middle ages happen? When did Toledo BM end? Who was the roman poet who wrote satries? When was the toilet invented and by whom? How were the people of ancient Rome able to change their government? Was Constantine the only emperor who became a saint? The year exactly one century before the millennium? How were the reasons for a person's enslavement different in West African cultures than in the Atlantic slave trade? Where is Henry Purcell from? How was communication in the 1500s? Which bank first introduced credit card? Can a peasant marry a member of the nobility or royalty? What determines the century? What was the eastern and western bloc? How are the Eastern and western hemisphere divided? When was Wall Street made? Who became romes first emperor in 27 BC?