Which fleet, assembled in the 1580s, was commanded by the Duke of Medina Sidonia?

In June 1968, Scotland Yard detectives arrested James Earl Ray, killer of Martin Luther King Jr., in which city? George Villiers, a favorite of James I who was assassinated in 1628, held which dukedom? Assassinated in 1610 by a religious zealot, King Henry IV was the first French king of which royal house? Assassinated in 1990, Rabbi Meir Kahane founded which militant organization in 1968? According to Olympic lore, the U.S. flag bearer refused to dip the flag to the king at the 1908 Games in which city? Assistant U.S. attorney general from 1953 to 1956, who later became chief justice and won the Presidential Medal of Fre… Which idiom, borrowing a car term, means to assume a secondary position? Fred Astaire was nominated for a Supporting Actor Oscar for which fiery 1974 disaster epic?