Constantinople officially became which city in 1930?

Charges of conspiracy and fraud led to the 2002 bankruptcy reorganization of which cable company run by the Rigas famil… Constance Bennett and Cary Grant played a ghostly couple who appear and disappear in which 1937 comedy classic? 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? Four European armies met at Constantinople in 1097 to launch the first of which campaigns? Which Asian island nation fought a long civil war between its Tamil and Sinhalese communities that ended in 2009? Construction and maintenance costs of which New York waterway were paid for by tolls until 1882? Construction began in 1248 on which German city's Gothic cathedral near the Rhine, taking 632 years to finish?