Complex sentence: At the turn of the 20th century industrialist Andrew Carnegie began funding dozens of public libraries in Pennsylvania, and in 1901 received plans from the Easton Library Association asking for a donation for a new building to be constructed on Church Street.
Split into simpler sentences: At the turn of the 20th century, industrialist Andrew Carnegie began funding dozens of public libraries in Pennsylvania. In 1901 the Carnegie Corporation received plans from the Easton Library Association asking for a donation for a new building to be constructed on Church Street.