Complex sentence: In 1945 the Meridian Street congregation merged with the Fifty-first Street Methodists and the combined congregation erected the present-day Meridian Street United Methodist Church along North Meridian Street.
Split into simpler sentences: In 1945 the Meridian Street congregation merged with the Fifty-first Street Methodists. The combined congregation erected the present-day Meridian Street United Methodist Church along North Meridian Street.