In 2016, which vessel became the first solar-powered aircraft to circumnavigate the Earth?

More Questions:

What is replaced in the hand of William Shakespeare's graveside memorial bust each year on the anniversary of his death?

What metal is the "The Statue of Liberty's" visible surface constructed from?

In ancient Greece, what river did the souls of dead people have to cross?

What important crop is the Rhine Valley in Germany known for growing?

Lopez Island, Orcas Island and Waldron Island all belong to what archipelago?

Easter Island, home to mysterious giant stone faces, is owned by what South American country?

What artist performed the song titled "Be-Bop-a-Lula"?

Which character does Kevin Spacey play in the 1995 movie "The Usual Suspects"?

Which one of the Salinger brothers developed an alcohol problem on "Party of Five"?

Fred Schneider was a member of which famous band?

Who was described by both George Blanchine and Rudolph Nureyev as the worlds greatest dancer?

Who Wrote Aretha Franklins "Respect"?

What firm made the B25 Micro Computer?

What do the letters stand for in poet E.E. Cummings' name?

Which artist once had a musical persona called "The Thin White Duke"?