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In what year did the Suez Canal open? Answer with the four-digit year only.
What is the IATA code of Hartsfield-Jackson Atlanta International Airport? Answer with the three-letter code only.
What is the four-letter acronym of Japan's national space agency? Answer with the acronym only.
What is the SI unit of force? Answer with the unit name only, in lowercase.
In what year did the Airbus A320 enter commercial service? Answer with the four-digit year only.
In what year did SpaceX fly astronauts for the first time, on the Demo-2 mission? Answer with the four-digit year only.
In what year was Star Alliance founded? Answer with the four-digit year only.
Airport code KEF belongs to the main international airport of which country? Answer with the country name only.
In what year did Alessandro Volta announce the voltaic pile, the first electric battery? Answer with the four-digit year only.
Which airline alliance does Lufthansa belong to? Answer with the alliance's full name.
Uranus has an axial tilt of roughly 98 degrees. Answer true or false.
In what year did Yuri Gagarin become the first human in space? Answer with the four-digit year only.
In what year did Heike Kamerlingh Onnes discover superconductivity? Answer with the four-digit year only.
Sydney is the capital of Australia. Answer true or false.
How many engines did Concorde have? Answer with the whole number only.
In what year did Alain Aspect, John Clauser and Anton Zeilinger win the Nobel Prize in Physics? Answer with the four-digit year only.
How many states does India have, not counting union territories? Answer with the whole number only.
In what year was sovereignty over Macau transferred from Portugal to China? Answer with the four-digit year only.
Who commanded Apollo 13? Answer with the surname only.
Victoria Falls lies on which river? Answer with the river name only, without the word River.
In what year did Alexei Leonov perform the first spacewalk? Answer with the four-digit year only.
Which European country occupies most of the Jutland peninsula? Answer with the country name only.
Who unified electricity, magnetism and light in a set of equations in the 1860s? Answer with the surname only.
Who discovered radioactivity in 1896? Answer with the surname only.
In what year did Pan American World Airways cease operations? Answer with the four-digit year only.