Difficult Knowledge Quiz
Question 1 of 10
What service employed such teenager couriers as Buffalo Bill Cody and Wild Bill Hickok, who raced for ten days, carrying the mail 1800 miles?
Question 2 of 10
Which of these is a series of hit films that were produced in the 1960s?
Question 3 of 10
What city's Rockefeller Square is known for its skating rink?
Question 4 of 10
The Colorado river flows into which of these states?
Question 5 of 10
Toulouse is in which country?
Question 6 of 10
Which country is singer Bjork from?
Question 7 of 10
The city of St. Louis is in which US state?
Question 8 of 10
Which of these US state capital cities stands on the Mississippi?
Question 9 of 10
The Republic of Yucatan became part of which country?
Question 10 of 10
Which general did Harry Truman relieve of command in Korea in 1951?

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