What is MCMCLV?

What treaty created the line of demarcation? How long has slavery been around? What was the capital of the eastern Roman empire? What day of the week was March 8th of 1970 on? Where is the name Whitehead from? What order of knights during the crusade was made up of Frenchmen? How did Septimius Severus die? What was the daily life of a medieval nun? How did the reformation changed the western world? Were the twelve tables written down? How did the Crusades benefit European kings? What is a mountain chain in the western USA with rock in its name? What is the difference between castles from 1066 to1500? Where were the twelve tables hung? Why is the name Austin so popular? What is horizatle? What year was the 13 century's in? Where does the name connell come from? What are the dates of the renaissance period? Where did billgates come from?