87% knows the answer to this question: "What type of weapon was a tomahawk, used by Native American Indians? "

And do you know the answer to this one? "What long-standing South African policy was discontinued in 1990?"

70% knows the answer to this question: "During the Cold War, the British worried that if the Russians swarmed into West Germany during the winter, it would be too cold to detonate the proposed nuclear mines along the border. So they suggested having what fowl nest atop the mines to keep them warm? "

And do you know the answer to this one? "Who was the Queen of Great Britain in the 1960s?"

41% knows the answer to this question: "What puzzle was invented by Erno Rubik in 1974? "

And do you know the answer to this one? "In the 1920, Vienna physician Manfred Sakel treated drug addiction by deliberating inducing comas through overdoses of what diabetes-treating drug?"

90% knows the answer to this question: "Which of these was a German naval vessel? "

And do you know the answer to this one? "In what city did Princess Diana die?"