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On what date does Taylor Swift’s annual “august” listening trend usually surge?
Answer
August 1
What Leonardo da Vinci invention combined a bow with a keyboard to produce continuous music?
Answer
Viola organista
What Leonardo da Vinci machine was designed as a mechanical knight in armor?
Answer
Robot knight
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What Leonardo da Vinci invention combined a bow with a keyboard to produce continuous music?
Answer
Viola organista
What Leonardo da Vinci machine was designed as a mechanical knight in armor?
Answer
Robot knight
What Leonardo da Vinci invention used a spring to move itself without an animal pulling it?
Answer
Self-propelled cart
What Leonardo da Vinci military design had a conical, turtle-like armored body?
Answer
Armored tank
Which city hosted the signing of the United States Constitution in 1787?
Answer
Philadelphia
How many years does the United States Semiquincentennial mark?
Answer
250 years