Complex sentence: McKendree Chapel, also known as Old McKendree Chapel, in Jackson, Missouri, is a log cabin style chapel that was built in 1819 and is known as the oldest Protestant church standing west of the Mississippi River.
Split into simpler sentences: McKendree Chapel, also known as Old McKendree Chapel is a historic chapel located at Jackson, Missouri. It is a log cabin style chapel that was built in 1819 and is known as the oldest Protestant church standing west of the Mississippi River.