Difficult Knowledge Quiz

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

Which general did Harry Truman relieve of command in Korea in 1951?

Question 10 of 10

The Republic of Yucatan became part of which country?