Complex sentence: During the American Revolutionary War, the Culpeper Minutemen, a pro-Independence militia group, formed in the town of Culpeper, in what was then known as "Clayton's Old Field," near today's Yowell Meadow Park.
Split into simpler sentences: During the American Revolutionary War, the Culpeper Minutemen, a pro-Independence militia, formed in the town of Culpeper. They organized in what was then known as "Clayton's Old Field," near today's Yowell Meadow Park.