521
Question: In what year did the Soviet Union launch Sputnik 2, which carried Laika the dog?Answer: 1957
522
Question: What was the name of the ancient city that was the capital of the Mayan Empire?Answer: Tikal
523
Question: In what year did the Treaty of Ghent end the War of 1812?Answer: 1814
524
Question: What was the name of the famous ship that sailed around the world in 1519-1522?Answer: Victoria
525
Question: In what year did the United States enter World War I?Answer: 1917
526
Question: What was the name of the ancient city that was the capital of the Aztec Empire?Answer: Tenochtitlán
527
Question: In what year did the French Revolution start?Answer: 1789
528
Question: What was the name of the first permanent English settlement in North America that disappeared?Answer: Roanoke
529
Question: In what year did the Treaty of Westphalia end the Thirty Years War?Answer: 1648
530
Question: What was the name of the ancient Greek city-state that was the site of the original Olympics?Answer: Olympia