Complex sentence: The Gerald R. Ford Presidential Library and Museum is a repository that opened to the public in September 1981 to house documents, audio-visual materials, and artifacts on the life, career, and presidency of Gerald Ford, the 38th President of the United States.
Split into simpler sentences: The Gerald R. Ford Presidential Library and Museum opened to the public in September 1981. It houses documents, audio-visual materials, and artifacts on the life, career, and presidency of Gerald Ford, the 38th President of the United States.