Which Verdi opera, set in ancient Egypt, premiered in Cairo in 1871?

A 1918 treaty said that if Monaco's royal family produced no male heirs, Monaco would come under which country's rule? George Bernard Shaw's 1919 "Heartbreak House", subtitled "A Fantasia in the Russian Manner", was an homage to which pla… Robert Frost's 1920 poem begins "Some say the world will end in" what, "Some say in ice"? Which name is shared by a 1920s dance and a city in South Carolina? Which 1927 Jerome Kern musical follows performers on a Mississippi River boat? A 1920s hit by Sammy Fain and Irving Kahal said to "Let a" what "be your umbrella"? Watching fish freeze solid in Labrador inspired Clarence Birdseye's method of preserving food by what? The question "Will it play in ___?", about which Illinois city, became a test of mainstream American appeal?