Complex sentence: In 2005, Harrah's Entertainment purchased Caesars Entertainment, Inc. and the property became part of Harrah's Entertainment company, which changed its name to Caesars Entertainment Corporation in 2010.
Split into simpler sentences: In 2005, Harrah's Entertainment purchased Caesars Entertainment, Inc. and the property became part of Harrah's Entertainment company. The company changed its name to Caesars Entertainment Corporation in 2010.