DO YOU KNOW…
WHAT big celebration drew nine million people to
Philadelphia--in 1875?
(Hint: It was another "Philly first.")
WHICH invention dedicated in 1946 at the University
of Pennsylvania greatly contributed to the birth of the
Information Age?
(Hint: The "baby" weighed 30 tons!)
Philadelphia and the State of Pennsylvania; Cool Stuff Every Kid Should Know (Arcadia Kids)
Author
Publisher
Genre
Age Range
8+
Release Date
May 02, 2011
ISBN
978-1439600948
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