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814 accepted96% rate9.1 hours
In what year were euro banknotes and coins first introduced as cash?
In what year did the first Apple iPhone go on sale?
What is the exact speed of light in a vacuum, in metres per second, as defined in the SI?
In what year was Barack Obama first inaugurated as President of the United States?
What is the atomic number of gold?
How many planets are in the Solar System under the IAU's 2006 definition?
How many hours are in one week?
In what year did Christopher Columbus first reach the Americas?
In what year did World War II end?
In what year did Apollo 11 first land humans on the Moon?
In what year did the Berlin Wall fall?
How many Stanley Cup championships have the Montreal Canadiens won?
In what year did Jackie Robinson make his Major League Baseball debut?
How many career regular-season home runs did Hank Aaron hit in Major League Baseball?
How many career regular-season home runs did Barry Bonds hit in Major League Baseball?
In what year was the first FIFA men's World Cup played?
How many Grand Slam men's singles titles did Roger Federer win in his career?
How many NBA regular-season MVP awards did Kareem Abdul-Jabbar win?
How many three-point field goals did Stephen Curry make in the 2015-16 NBA regular season?
How many regular-season games did the 2015-16 Golden State Warriors win?
How many electoral votes did Barack Obama receive in the 2012 United States presidential election?
Which country held the rotating presidency of the Council of the European Union from January to June 2020?
Who was the first woman to serve as Prime Minister of the United Kingdom?
Who was President of South Africa on 1 January 1996?
Who was President of France on 1 January 1990?