music: Song: Name The Artist: Strawberry Fields Forever?

Questions

What blew up at Lakehurst, New Jersey, on May 6th 1937?

What, according to tradition, will leave Gibraltar before the British?

What did Winston Churchill describe as 'a riddle, wrapped in a mystery, inside an enigma'?

What was the 5th largest city in the Roman Empire in 50 AD?

What country did the houses of Rurik and Romanov rule?