Complex sentence: The first act to come to the Arena was the Ringling Bros. and Barnum & Bailey Circus, opening at the venue on October 24,2001 and the 1,000th event held at the Arena was a Fairfield Stags men's basketball game was on January 30,2010.
Split into simpler sentences: The first act to come to the Arena was the Ringling Bros. and Barnum & Bailey Circus, opening at the venue on October 24,2001. And the 1,000th event held at the Arena was a Fairfield Stags men's basketball game was on January 30,2010.