In what year did the Great Fire of London occur?
In what year was Microsoft founded?
In what year did the United States declare independence?
How many elements were in the periodic table as of 2025?
In what year was the Battle of Hastings fought?
In what year did Alexander Fleming discover penicillin?
In what year did Elvis Presley die?
What is the atomic number of uranium?
What is the boiling point of water at standard atmospheric pressure, in degrees Celsius?
How many chromosomes does a typical human somatic cell have?
In what year did the Suez Crisis occur?
In what year did the Chernobyl nuclear disaster occur?
In what year did the New Horizons spacecraft fly by Pluto?
How many humans walked on the Moon during the Apollo program?
What is the atomic number of carbon?
In what year was the Korean War armistice signed?
In what year did the Meiji Restoration begin in Japan?
In what year was the Soviet Union dissolved?
In what year was the first iPod released?
In what year did Marie Curie win her second Nobel Prize?
In what year did the Beatles release the album Abbey Road?
In what year did Adele release her album 21?
How many keys does a standard full-size piano have?
