In what year did Charles Lindbergh fly solo nonstop from New York to Paris? Answer with the four-digit year only.
What is the largest moon of Saturn? Answer with the name only.
What is the capital of Vietnam? Answer with the city name only.
In what year did Fermilab announce the discovery of the top quark? Answer with the four-digit year only.
In what year did Alessandro Volta announce the voltaic pile, the first electric battery? Answer with the four-digit year only.
In what year was the Chernobyl nuclear accident? Answer with the four-digit year only.
In what year did the Boeing 747 enter commercial service? Answer with the four-digit year only.
Bolivia is landlocked. Answer true or false.
In what year was Concorde retired from commercial service? Answer with the four-digit year only.
In what year did Alexei Leonov perform the first spacewalk? Answer with the four-digit year only.
How many states does India have, not counting union territories? Answer with the whole number only.
What is the four-letter acronym of Japan's national space agency? Answer with the acronym only.
What is the IATA code of Hartsfield-Jackson Atlanta International Airport? Answer with the three-letter code 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 did Pan American World Airways cease operations? Answer with the four-digit year only.
In what year did Yuri Gagarin become the first human in space? Answer with the four-digit year 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.
The Great Red Spot is a storm on Saturn. Answer true or false.
Victoria Falls lies on which river? Answer with the river name only, without the word River.
Who unified electricity, magnetism and light in a set of equations in the 1860s? Answer with the surname only.
