Which Pennsylvania city, founded in 1741, was named at Christmastime?

Which 1846 California revolt began on June 14, a date now known as Flag Day? Often performed in churches, which 1935 T.S. Eliot verse drama about Thomas Becket premiered at the Canterbury Festival? Which 1967 hit was a duet by Marvin Gaye and Kim Weston? What is the official state song of Kentucky? Fittingly, which Russian playwright wrote an 1892 short story called "After the Theatre"? What was the name of the Jetsons' family dog? In which 1991 film does Steve Martin get in his car to drive to the house next door? Fittingly, which animal is named in the title of Los Lobos' 1984 album "How Will the ___ Survive?"