U.S. History

In 1910, Thomas Edison was credited with which invention/discovery?

More Questions from U.S. History
What is the only state to declare war on another country?
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Which U.S. President won a Pulitzer Prize?
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Where was Thomas Jefferson born?
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Jerry Brown served as governor of which state?
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Confederate General A. S. Johnston was killed at what battle?
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Who served as governor of both Tennessee and Texas?
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In which city did Conrad Hilton build his first hotel in 1925?
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What is one political figure who never hosted "Saturday Night Live"?
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