Complex sentence: The Childress County Heritage Museum, located in a former U.S. Post Office at 210 Third Street in downtown Childress, Texas, was chartered on January 12,1976, as part of the observance of the American Bicentennial.
Split into simpler sentences: The Childress County Heritage Museum is housed in a former U.S. Post Office at 210 Third Street in downtown Childress, Texas. The museum was chartered on January 12,1976, as part of the observance of the American Bicentennial.