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What water-control device did Leonardo da Vinci design to let boats bypass a change in canal level?
Answer
Canal lock
What weapon did Leonardo da Vinci design with 33 small-caliber guns arranged in three rows?
Answer
33-barrel organ
What flying device did Leonardo da Vinci sketch with a large rotating screw above its frame?
Answer
Aerial screw
What transport invention did Leonardo da Vinci design that could move without being pushed by an animal?
Answer
Self-propelled cart
What armored vehicle did Leonardo da Vinci design with sloped armor and many guns?
Answer
Tank
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What weapon did Leonardo da Vinci design with 33 small-caliber guns arranged in three rows?
Answer
33-barrel organ
What transport invention did Leonardo da Vinci design that could move without being pushed by an animal?
Answer
Self-propelled cart
Who filmed the 1945 Japanese surrender ceremony in color?
Answer
George F. Kosco
Which date is the official V-J Day observed by the United States?
Answer
2 September
Which Canadian officer signed below his designated line on Japan's surrender instrument?
Answer
Lawrence Moore Cosgrave
At what time did Japan's surrender formally take effect aboard USS Missouri?
Answer
9:25 a.m. JST
How long was Emperor Hirohito's recorded surrender broadcast in 1945?
Answer
4 minutes, 36 seconds