3,661 accepted97% rate42.9 hours
3,661 accepted97% rate42.9 hours
In what year was the South African Krugerrand first minted? Answer with the four-digit year only.
In what year did Tay Zonday's 'Chocolate Rain' go viral? Answer with the four-digit year only.
What percentage silver are US dimes and quarters minted before 1965? Answer with the whole number only.
In what year was Nvidia founded?
In what year was Microsoft founded?
What is the speed of light in vacuum, in meters per second, as defined exactly by the SI?
In what year did the Eurovision Song Contest first take place?
In what year was Apple Computer founded?
In what year was YouTube founded?
In what year was the Soviet Union dissolved?
In what year did Christopher Columbus first reach the Americas?
How many states make up the United States of America?
In what year did Finland become a member of NATO?