Complex sentence: In the late 1990s and early 2000s, the bank sought to expand beyond the borders of Tennessee, and changed the name of its parent company accordingly from First Tennessee National Corporation to First Horizon National Corporation in April 2004.
Split into simpler sentences: In the late 1990s and early 2000s, the bank sought to expand beyond the borders of Tennessee, and changed the name of its parent company accordingly. The company's name was changed from First Tennessee National Corporation to First Horizon National Corporation in April 2004.