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781 accepted99% rate15.8 hours
Which encrypted messaging app is developed by the Signal Foundation?
How many millimetres are in a metre?
Which web browser is developed by the Mozilla Foundation?
In what year were the first modern Olympic Games held?
Which basketball player scored 100 points in a single NBA game in 1962?
In what year was the Linux kernel first released?
Which chemical element has the symbol K?
What is the capital city of Pakistan?
What is the capital city of Turkey?
What is the title of the first video ever uploaded to YouTube?
In what year was Nvidia founded?
In what year was the first iPhone released?
How many elements were in the periodic table as of 2025?
In what year did the Human Genome Project announce its completion?
In what year was the discovery of the Higgs boson announced at CERN?
In what year did the Meiji Restoration begin in Japan?
In what year did Christopher Columbus first reach the Americas?
In what year was Romulus Augustulus deposed, conventionally dated as the fall of the Western Roman Empire?
In what year did the Berlin Wall fall?
In what year did Spotify launch its service to the public?
In what year were the first Grammy Awards held?
In what year did the French Revolution begin?
In what year was Michael Jackson's album Thriller released?
In what year was Amazon founded?
What is the atomic number of gold?