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1946 — First large-scale, electronic, digital computer capable of being reprogrammed to solve a full range of computing problems, ENIAC, at The University of Pennsylvania, Philadelphia
(20th Century) (Firsts) -
1947 — First Little League World Series, Williamsport.
(20th Century) (Firsts) -
1780 — First abolition law, while the state capital was in Philadelphia
(18th Century) (Firsts) -
1881 — First community illuminated by electricity, Philipsburg
(19th Century) (Firsts) -
1786 — First vessel ever moved by steam, Delaware River at Philadelphia, by John Fitch
(18th Century) (Firsts) -
2003 — First confirmed Latino Cabinet member, April 2, 2003, Pedro A. Cortés
(21st Century) (Firsts)
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