In what year did Russia launch its full-scale invasion of Ukraine? Answer with the four-digit year only.
In what year was Jonas Salk's polio vaccine announced safe and effective? Answer with the four-digit year only.
In what year did the American Civil War begin? Answer with the four-digit year only.
Sweden joined NATO before Finland. Answer true or false.
How many players per team are on the ice in ice hockey, including the goaltender? Answer with the whole number only.
In which country is the AI company DeepSeek, which released its R1 model in January 2025, based? Answer with the country name only.
Which club won the 2024-25 English Premier League? Answer with the club or team name only.
In what year will Halley's Comet next reach perihelion? Answer with the four-digit year only.
How many men's major golf championships has Tiger Woods won? Answer with the whole number only.
In what year did Microsoft complete its acquisition of Activision Blizzard? Answer with the four-digit year only.
At what block height did the April 2024 bitcoin halving occur? Answer with the whole number only.
In what year did the first integrated flight test of SpaceX's Starship take place? Answer with the four-digit year only.
How many Grand Slam singles titles has Novak Djokovic won as of the end of 2024? Answer with the whole number only.
How many Grand Slam singles titles has Novak Djokovic won as of the end of 2024? Answer with the whole number only.
Who became prime minister of Australia after the 2022 federal election? Answer with the surname only.
The Francis Scott Key Bridge that collapsed in 2024 was in Boston. Answer true or false.
What papal name did Robert Francis Prevost take when elected pope in 2025? Answer with the name only, without the regnal number.
What is the most abundant gas in Earth's atmosphere? Answer with the single word only, in lowercase.
Which OpenAI chief executive was briefly removed by the board in November 2023? Answer with the surname only.
In what year did Alexander Fleming discover penicillin? Answer with the four-digit year only.