Complex sentence: In 1821, Marketfield Street, which overlooked the Hudson River, had a single name throughout its length, but by the 1830s, the street was renamed "Battery Place" from Bowling Green to the Hudson River.
Split into simpler sentences: In 1821, Marketfield Street, which overlooked the Hudson River, was a through street. By the 1830s, though, the street was renamed "Battery Place" from Bowling Green to the Hudson River.