Venus and Serena Williams Althea Gibson's worthy legacy got new life in the 21st century with the extraordinary careers of Venus and Serena Williams. Though her younger sister Serena was the first Williams to win a Grand Slam singles title (the 1999 U. S. Open) Venus emerged at the top of her game in 2000, winning her first Slam-Wimbledon-and going on to win the U. S. Open as well as an Olympic gold medal. Over the next decade, the extraordinary power and athleticism of the Williams sisters was credited with bringing the women's tennis game to a new level, and final-round matches between the two sisters became common at Grand Slam events. Gabby Douglas In 2012, Olympic gymnast Gabby Douglas became the first African American in history to win the individual all-around event. She also won gold medals for the U. S. in the team competitions at the 2012 and 2016 Summer Olympics. what is the main idea