How many US states were admitted to the union during the twentieth century?

More Questions:

What duo first published the "Michelin Guide" in 1900?

What does the prefix "pseudo" mean?

What is the fear of social situations called?

Greek Feta cheese is typically made from the milk of which animal?

What race takes place on an annual basis between Putney and Mortlake?

The Abel Prize is referred to as the "Nobel Prize" in which field?

Io orbits what planet of the solar system?

What is the name given to the largest number ever used in a mathematical proof?

What movie did Michael J. Fox learn to skateboard for?

Who plays the guitar introduction to Michael Jackson's hit "Black or White"?

Who starred as Captain Georg von Trapp in "The Sound of Music"?

Who recorded the album "Nine Tonight"?

What actor founded the Purpose Rose Theater Company in Michigan?

The Ishihara Test is a color perception test used to detect deficiencies for which colors?

What powers Iron Man's suit?