Challenging Knowledge Quiz
What puzzle was invented by Erno Rubik in 1974?
In 1906, a call for higher vitamin intakes was made to decrease outbreaks of which ailments?
What European capital is heated almost entirely by geothermal heating provided by volcanic activity?
Approximately 750 million viewers watched this celebrity couples wedding?
What is the only non-metal weapon in the game of Cluedo?
What song has the line, "Wise men say only fools rush in"
What lab assistant was working with Robert Koch in 1877 when he found a new way to grow bacteria in gelatin?
What state did Abraham Lincoln represent?
Who founded Carthage in 814 BC.?
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Do you know who these famous people from the 60s and 70s are?
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Can you beat the score of this nurse?
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Extremely Hard History Quiz, most people score only 3 out of 10.