Complex sentence: Major political rallies were part of the early history of the arena with a campaign address by Lyndon B. Johnson on October 27,1964 and Sen. Barry Goldwater on October 29,1964.
Split into simpler sentences: Major political rallies were part of the early history of the arena. President Lyndon B. Johnson delivered a campaign address on October 27,1964 and Sen. Barry Goldwater on October 29,1964.