Harriet Tubman escaped from slavery in 1849. She immediately became involved in the abolitionist movement, organizing meetings, speaking against slavery, and the like.

But that wasn't enough for Tubman. She decided to return to the South secretly and deliver other slaves to freedom. It was a great risk, because if she had been caught, she would certainly have been thrown back into slavery —or killed as an example to other potential runaways.

But not only did she return to the South that one time, she went back 19 times, to eventually rescue some 300 fellow slaves. Each trip became more risky, as slave catchers were on the alert for her. But each time she embarked on the journey, and each time, with God's help, she confessed, she evaded the authorities.