History.com: 8 Astounding Moments in Women's Olympic Gymnastics

From Olga Korbut's famous flip to Kerri Strug's vault landing to Simone Biles' multiple golds, see the feats that wowed the world. Women's gymnastics has been an official sport in the Summer Olympics since 1928, when the first female Olympic gymnasts competed in Amsterdam. Since then, it has become one of the most popular sports in the international games. Here's a look at some of the sport's most famous gymnasts and memorable moments in Olympics history.