Rosa Parks's life and career were shaped by key experiences, particularly her refusal to give up her bus seat to a white man in Montgomery, Alabama, in 1955. This act of civil disobedience became a pivotal moment in the American civil rights movement. Parks's experiences with racial discrimination informed her activism, as she worked tirelessly alongside figures like Martin Luther King Jr. to challenge segregation laws. Her courage and commitment to justice continue to be celebrated, symbolizing the struggle for equality and human rights.