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1,995 accepted97% rate26.5 hours
England's men's football team has won a UEFA European Championship. Answer true or false.
In what year did Lehman Brothers file for bankruptcy? Answer with the four-digit year only.
Mitochondria contain their own DNA. Answer true or false.
Who won the 2025 French Open men's singles title? Answer with the surname only.
Who was sworn in as US Secretary of State in January 2025? Answer with the surname only.
Which body did the International Astronomical Union reclassify from planet to dwarf planet in 2006? Answer with the name only.
Which element has the chemical symbol Hg? Answer with the element name only.
In what year did the Telomere-to-Telomere consortium publish the first complete, gapless human genome sequence? Answer with the four-digit year only.
Brent crude oil futures traded above $100 per barrel during 2022. Answer true or false.
In what year did Arm Holdings hold its Nasdaq initial public offering? Answer with the four-digit year only.
Which planet is home to the storm known as the Great Red Spot? Answer with the planet name only.
How many points did South Africa score in the 2023 Rugby World Cup final? Answer with the whole number only.
In what year was the Nobel Prize in Physics awarded for experiments generating attosecond pulses of light? Answer with the four-digit year only.
Who became chief executive of Intel in March 2025? Answer with the surname only.
In what year did gold first trade above $2,000 per troy ounce? Answer with the four-digit year only.
How many goals did Spain score in the UEFA Euro 2024 final? Answer with the whole number only.
Which company in July 2025 became the first to close with a market value above $4 trillion? Answer with the company name only.
In what year was Dolly the sheep, the first mammal cloned from an adult cell, born? Answer with the four-digit year only.
Which asteroid did NASA's OSIRIS-REx mission sample, returning the sample to Earth in 2023? Answer with the name only.
Who served as US President from January 2021 to January 2025? Answer with the surname only.
Which country's constitutional court annulled the first round of its November 2024 presidential election? Answer with the country name only.
Who won the 2024 French Open men's singles title? Answer with the surname only.
In what year did the Black Monday crash, when the Dow fell about 22.6 percent in one day, happen? Answer with the four-digit year only.
Which NFL team won Super Bowl LIX in February 2025? Answer with the team nickname only, such as Packers.
Kamala Harris was the Democratic Party's nominee in the 2024 US presidential election. Answer true or false.