Complex sentence: In 1984, Corinna Everson won the Ms. Olympia title and She would go on to win six consecutive Ms. Olympia titles in a row before retiring in 1989 undefeated as a professional, the only woman ever to accomplish this.
Split into simpler sentences: In 1984, Corinna Everson won the Ms. Olympia title. Everson would go on to win six consecutive Ms. Olympia titles in a row before retiring in 1989 undefeated as a professional, the only woman ever to accomplish this.