Rosa Parks, born Rosa Louise McCauley on February 4, 1913, in Tuskegee, Alabama, is universally revered as the "mother of the civil rights movement" for her pivotal role in challenging racial injustice in the United States. Her singular act of defiance on December 1, 1955, when she refused to surrender her bus seat to a white passenger in Montgomery, Alabama, became a powerful catalyst for social change and cemented her place as an enduring icon of American history. Her quiet courage transformed a simple everyday action into a monumental stand against the systemic oppression of Jim Crow segregation.

Growing up in the deeply segregated South, Parks experienced the harsh realities of racial inequality from an early age. After moving to Montgomery, she became an active member of the city's chapter of the National Association for the Advancement of Colored People (NAACP) in 1943, serving as its secretary. In this capacity, she worked diligently to investigate cases of racial violence and injustice, including the brutal gang rape of Recy Taylor and the case of Jeremiah Reeves, laying crucial groundwork for future civil rights campaigns. Despite facing systematic disenfranchisement, Parks successfully registered to vote after three attempts between 1943 and 1945, demonstrating her persistent commitment to civic engagement.

The circumstances surrounding Parks's famous arrest were not spontaneous but part of a calculated strategy by local civil rights leaders who were seeking a strong legal test case against bus segregation. While several Black Montgomerians, including 15-year-old Claudette Colvin, had previously refused to give up their seats, Parks was deemed a suitable symbol due to her impeccable character and standing in the community. Her arrest prompted the Women's Political Council to organize a one-day boycott, which proved so successful that it was extended indefinitely under the leadership of the Montgomery Improvement Association, with a young Martin Luther King Jr. at its helm. The boycott lasted 381 days, ending only after the Supreme Court ruled bus segregation unconstitutional in the case Browder v. Gayle.

Following the boycott's success, Parks faced significant personal hardship, including financial difficulties and health problems exacerbated by her activism. In 1957, she and her husband Raymond relocated to Detroit, Michigan, where she continued her lifelong advocacy for civil rights. She worked for Congressman John Conyers and lent her support to numerous causes, including the Black power movement, the fight against apartheid in South Africa, and the defense of political prisoners such as Angela Davis and Joanne Little. In 1987, she co-founded the Rosa and Raymond Parks Institute for Self Development with Elaine Eason Steele, an organization dedicated to mentoring young people and promoting social justice.

Parks received numerous accolades throughout her lifetime, including the Presidential Medal of Freedom and the Congressional Gold Medal, and was the first Black American to be memorialized in the National Statuary Hall. Her death on October 24, 2005, prompted an unprecedented outpouring of national mourning, with her body lying in state at the United States Capitol rotunda in Washington, D.C., an honor typically reserved for presidents and distinguished statesmen. Her legacy as a symbol of peaceful resistance and unwavering dignity continues to inspire generations of activists fighting for equality and justice around the world.