What was the code-name for the U.S. Air Force study of UFOs between 1952 and 1970?
Project Blue Book
Thomas McKean of Delaware was a little late to the show. He was the last person to sign what important document?
US Declaration of Independence
On October 3rd, 1990 German Chancellor Helmut Kohl called then president George H. W. Bush for a short conversation. What occasion prompted this call?
It was the day of German Reunification
