Other questions:

How many squares are on a Chessboard?
What is the architectural style of the US Supreme Court building?
Steinadler gibt es auf allen Kontinenten – mit Ausnahme von Australien und …?
Who is the Greek god of sleep?
In the 90s, Martina Hingis became the youngest person to win Wimbledon. How old was she?
What was Vincent Van Gogh’s brother called?
Von welchem US-Bundesstaat ist Sacramento die Hauptstadt?
Where did the barbarians in Greece come from?
Where did Michael Phelps win 8 gold medals in the Olympics?
In welchem Jahr formulierte Albert Einstein seine bekannte Formel E=mc²?
What’s the name of Tintin’s dog?
Cueca is the national dance of what country?
Who used golden sneakers to win the 200 m event in the Olypic Games of Atlanta 1996?
What well-known artist was from Pittsburgh, PA?
Von welchem Land kauften die USA im Jahr 1867 Alaska?
Renaissance marked the beginning of what Age?
Was beschreibt das Wort “Konstitution” am besten?
In the game of pool (a.k.a., billiards), what happens if a player accidentally touches a numbered ball with his/her cue, hand, arm, or another object?
What is the capital of Nigeria?
Welche Fußballmannschaft nahm in der Saison 2013/14 nicht am DFB-Pokal teil?