Who co-wrote 'The Communist Manifesto' with Friedrich Engels? Answer with the surname only.
How many Wimbledon singles titles did Roger Federer win? Answer with the whole number only.
In what year did the Chernobyl nuclear disaster occur? Answer with the four-digit year only.
Michael Jordan won all six of his NBA titles with the Chicago Bulls. Answer true or false.
How many permanent members does the UN Security Council have? Answer with the whole number only.
In what year did the United Kingdom formally leave the European Union? Answer with the four-digit year only.
In what year were the first Nobel Prizes awarded? Answer with the four-digit year only.
In what year did Mount St. Helens have its major eruption? Answer with the four-digit year only.
What is the boiling point of water at sea level in degrees Fahrenheit? Answer with the whole number only.
How many players per team are on the court in basketball? Answer with the whole number only.
How many points did Wilt Chamberlain score in his record single NBA game? Answer with the whole number only.