80s Movies: What U.S. city does Howard the Duck land in?

Questions

Decca signs the Rolling Stones on advice of Beatle George Harrison.?

Tommy Lee drummer of Motley Crue marries Heather Locklear.?

Constantinople (later Istanbul) founded.?

Waltz introduced into English ballrooms. Most observers consider it disgusting & immoral. No wonder it caught on!?

Irving Berlin [Isadore Balin], Temun, Russia, composer (White Xmas), born.?