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In what year was Microsoft founded?
In what year was the United States Constitution signed?
In what year was Magna Carta first sealed?
What is the height of Mount Everest in metres according to the 2020 China-Nepal survey, rounded to the nearest metre?
In what year did the Ethereum mainnet launch?
In what year did Nelson Mandela become President of South Africa?
What is the exact speed of light in a vacuum, in metres per second, as defined in the SI?
In what year was the Soviet Union dissolved?
What is the atomic number of oxygen?
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 World War I begin?
In what year was the United States Declaration of Independence adopted?
In what year did the RMS Titanic sink?
In what year did Christopher Columbus first reach the Americas?
In what year did the Berlin Wall fall?
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?
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 Grand Slam singles titles did Serena Williams win in her career?
How many Grand Slam men's singles titles did Roger Federer win in his career?
How many three-point field goals did Stephen Curry make in the 2015-16 NBA regular season?