Because of her specialty stroke, Olympic swimming champion Mary T. Meagher had which opera title as a nickname?

D.O. can stand for doctor of what, a field using manipulative therapy along with conventional medicine? Which beef cut, also called butcher's steak, shares its name with something you hang clothes on? Reflecting its Viking history, the Isle of Man's coat of arms has which black bird on it, along with a falcon? Who was the first woman to serve as U.S. ambassador to the United Nations, from 1981 to 1985 under Reagan? Duke Senior is banished to the Forest of Arden by his brother in which Shakespeare play? During the holidays, Jack Skellington of "The Nightmare Before Christmas" takes over which spooky Disney attraction? During World War II, Josip Broz (Tito) led which Yugoslav resistance fighters against Nazi occupation? Earlier in April 1775, which patriot rode to Concord to warn colonists to move their military stores?