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1950’s
1960’s
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Automotive
Entertainment
Movies
Music
TV
History
American History
Inventions
U.S. Presidents
Sports
Baseball
Basketball
Football
Golf
Toys & Games
General
Bible
Food/Drink
Geography/Landmarks/Monuments
Landmarks
Science
Animals
Health
Decades
1950’s
1960’s
1970’s
Which invention did Galileo demonstrate for the first time in 1609?
General
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