What's the Kennection? #197

What iconic world landmark had 250,000 lights installed on it from 1925 to 1934, making it a 500-foot-tall ad for Citroen cars?

In the old song, Signor Bona Slang is the name of what "daring young" performer who flies through the air with the greatest of ease?

In Jules Verne's novel, Phileas Fogg bets his friends at London's Reform Club that he can't travel what route "in Eighty Days"?

Poet William Ross Wallace is best remembered for his claim that the hands that do what maternal task rule the world?

On August 1, 1978, New York became the first big city to require residents to clean up as they do what task?

What's the "Kennection"?