Amelia Earhart's major achievements in breaking aviation barriers included being the first woman to fly solo across the Atlantic Ocean, a feat she accomplished in 1932. This groundbreaking achievement not only showcased her exceptional flying skills but also challenged societal norms regarding women's roles in the early 20th century. Earhart's dedication to aviation and women's empowerment inspired many to pursue careers in male-dominated fields. She also promoted safety standards in aviation and advocated for women's participation in the industry. Her mysterious disappearance during a flight in 1937 further solidified her legacy as a pioneering and adventurous figure in aviation history.