World History

Which one of these inventions or discoveries happened most recently?

More Questions from World History
Which nation launched the Luna 2 probe which landed on and photographed the moon in 1959?
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Who was the last Filipino general to surrender to the Americans during the Filipino-American war?
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Besides being husband and wife, what other family relationship did Prince Charles and Lady Diana share?
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What civilization had an enormous empire in South America before the Spanish conquest in 1532 A.D.?
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What year did the historical event, "work begins on the Panama Canal", occur?
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In what year did Australia become a federated nation?
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How did Joan of Arc die?
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In what year did British New Guinea become a territory of Australia and receive a new name, Papua?
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