Serena Williams' Incredible Career Achievements
Serena became the first African American woman to win a grand slam singles title in the open era
Serena is the third African American in the Open Era to defeat the top 3 ranked players in a single tournament
Serena is the second woman to hold all the four slams simultaneously twice
Serena won the 2012 Olympics, completing her career's golden slam
Serena Williams has won a record 23 grand slam singles titles
Serena shares the record for the longest streak among female players at No. 1.