Constance Bennett and Cary Grant played a ghostly couple who appear and disappear in which 1937 comedy classic?

Conrad Hilton started with a hotel in 1919; in 1766, James Christie started what kind of business in London? Consecrated in 1094, which Venice basilica is named for the city's patron saint? Often called the first global newspaper, which paper came under full ownership of The New York Times in 2003? Charges of conspiracy and fraud led to the 2002 bankruptcy reorganization of which cable company run by the Rigas famil… King George II, son of Constantine I, fled which country during World War II and returned to rule in 1946? Constantine XI, the last ruler of which empire, died fighting the Turks in 1453? Constantinople officially became which city in 1930? Four European armies met at Constantinople in 1097 to launch the first of which campaigns?