What country does Shermans Dale, Pennsylvania and Scotch-Irish Americans have in common?
Shermans Dale, Pennsylvania: Shermans Dale is an unincorporated community in Carroll Township, Perry County, Pennsylvania, United States, along Sherman's Creek. Scotch-Irish Americans:  The term "Scotch-Irish" is used primarily in the United States, with people in Great Britain or Ireland who are of a similar ancestry identifying as Ulster Scots people.
i don't know