One notable self-made millionaire in Black history is Madam C.J. Walker. Born Sarah Breedlove in 1867, she was the daughter of formerly enslaved parents. Walker became a wealthy entrepreneur and philanthropist, known for creating a successful line of hair care products for Black women.

Starting as a washerwoman, Madam C.J. Walker developed a scalp treatment that helped promote hair growth and launched her own business, the Madam C.J. Walker Manufacturing Company. Through her hard work and innovative marketing strategies, she built a beauty empire that employed thousands of Black women as sales agents, known as "Walker Agents."

Madam C.J. Walker's success as a self-made millionaire not only made her one of the wealthiest African American women of her time but also allowed her to support various charitable causes and advocacy for civil rights. She used her wealth to empower other Black entrepreneurs, support education, and fight for racial equality.

Madam C.J. Walker's legacy as a self-made millionaire and trailblazing businesswoman continues to inspire generations of entrepreneurs and remains an important chapter in Black history.