Complex sentence: In 1982, Thorson filed a $113 million lawsuit against Liberace, part of which was a palimony suit; this was the first same-sex palimony case filed in U.S. history.
Split into simpler sentences: In 1982, Thorson filed a $113 million lawsuit against Liberace, part of which was a palimony suit. This was the first same-sex palimony case filed in U.S. history.