U.S. History
A vaccine to prevent what terrible disease was invented in the U.S. in 1952?
More Questions from U.S. History
What was U.S. President Franklin Roosevelt's private plane called?
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What U.S. President died 102 days after leaving office, at the age of 53?
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Explorer Rene-Robert de La Salle claimed land for which country?
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Country music star Loretta Lynn actively campaigned for which candidate in the 2000 Presidential race?
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What Massachusetts senator endorsed Barack Obama in 2008?
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What is the minimum age for a person to be elected U.S. President?
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