Complex sentence: In 1993, five years after the founding of "The Onion" at the University of Wisconsin-Madison, a student, Stephen Thompson, launched an entertainment section and later renamed it "The A.V. Club," as part of the newspaper's 1995 re-launch.
Split into simpler sentences: In 1993, five years after the founding of "The Onion" at the University of Wisconsin-Madison, a student named Stephen Thompson, launched an entertainment section of the newspaper. It was later renamed as the "The A.V. Club," as part of the newspaper's 1995 re-launch.