1,128 accepted95% rate30.7 hours
1,128 accepted95% rate30.7 hours
In what year was MTV launched?
How many members were in the Beatles' classic lineup?
In what year did the Meiji Restoration begin in Japan?
How many planets are in the Solar System under the International Astronomical Union's 2006 definition?
In what year did World War II end?
In what year were the first Grammy Awards held?
In what year did Emmanuelle Charpentier and Jennifer Doudna win the Nobel Prize in Chemistry for CRISPR?
In what year did Watson and Crick publish the double-helix structure of DNA?
In what year did the Rock and Roll Hall of Fame museum open in Cleveland?
In what year did NASA's Perseverance rover land on Mars?
In what year did Spotify launch its service to the public?
How many elements were in the periodic table as of 2025?
In what year was the first iPod released?
In what year did Taylor Swift release her album 1989?
How many strings does a standard violin have?
In what year was the compact disc first commercially released?
In what year was Voyager 1 launched?
In what year was the Chicago Board of Trade founded?
In what year did Amazon hold its initial public offering?
In what year was Bloomberg L.P. founded?
In what year did Tesla hold its initial public offering?
How many companies are in the Euro Stoxx 50 index?
How many companies are in Japan's Nikkei 225 index?
Approximately how many companies are in the S&P 500 index, by its name?
In what calendar year was Super Bowl LIX played?