How many years since 1950-2008?

Which period in human history occurred prior to the others? When did Marco Polo go to see Kublai Khan? Who is the guy who invented the toilet? Who would play sports in the medieval times? How did homosexuality start and where did it come from? Is the consent of the governed an important idea in roman? WHo was Moniscule? What did the Roman army use as a compass? Why were Roman men required to register their families and slaves and wealth at census time? What is the marketplace in Rome? What is the word origin for the word chaise? How many years did it take to build the Trojan horse? What is a roman bakery called? What does emporium mean in rome? What best describes Charlemagne's goal? What is the difference between the Native Texans of East Texas and far West Texas? How many years are between 1989 and 2003? Why was renaissance a cultural revolution? Who opened up the west by discovering the best trails through the Rockies? Which city reflects a greek influence?