What is millennia?

Why were the crusades a waste of time? What is the origin of the names of the months of the year? What is the name of the era after the Middle Ages? Were the Germanic invaders who stormed Rome literate? When was Charlemagne crowned Holy Roman Empire? What are some examples of craftguilds in medieval Europe? Why is the camel a better source of food then cow in the middle east? How did the fashion look like in the 50s? What did the cavaliers get there nickname for? Why is the covenant the most important part in history? Why did the powerful and rich Romans have private water supplies? How did relation between Islam and the west change throughout the crusades? Who discovered the Northwest Passage? What civilization were polytheistic? Two consuls did all of the following except? What does unhck mean? Who was the leader of the early republic? In what way was the first crusade launched in Ce similar to the third crusade launched nearly a century later? What is the etymology of 'character'? What were 3 reasons that Western Europeans went crusading?