No
yes
1916 happened In a lake with a great white
No
Yes
1916
Not unless it happened in an aquarium. Pennsylvania hasn't got ocean access.
Yes
Shark attacks are extremely rare in the Puget Sound. While sharks have been observed in the area, there have been no reported attacks on humans in recent history.
has there ever been...go back to school
Yes.
Yes, there has been a shark attack off Portugal. Of 4,555 entries in its Incident Log, the Global Shark Attack File lists only one shark attack for mainland Portugal. It's Entry 1195. It's undated. The only information is it's occurrence off Sines in the District of Setúbal in southwest Portugal. Two small row boats were fishing for mackerel. No details are given. There's just the comment "No injuries."