Who are the grandparents of Mary queen of Scots?

Where the any black soldiers during the Revolutionary War? Were the Persians conquered by the roman empire? How many Blacks have been killed by whites in America? Why is fighting easier on modern battleship than on eighteenth-century battleship? Who was a prussian politician who wanted to forge the German states in to one nation? Why were the Romans unable to stop the invaders? What year did mike piazza retire? Is nibber surname belongs to khart cast? Which battle did Charles 1 surrender? Is Baltimore on the Mason-Dixon line? What empire controlled North Africa in the 1800's? Did bishops have more power than lords in the middle ages? What made its first appearance at the 1920 Olympics the flag or the motto or the flame? Who won the Mexican War of Independence? What are the effects of introducing non native species in estuaries? Julius Caesar IQ? Why is morrie such a likable person on Tuesdays with Morrie? What college did john lee love go to? Name for fronter men who secured the Northwest territory? Is cadbury British or American?