In 1775, David Bushnell pushed the limits of engineering to design a military submarine dubbed the Turtle Submersible, which he created to help the US fight back against the British Royal Navy.
Watch Next
- Sarah Winnemucca
- Abdul Rahman Ibrahima Sori: A Prince Enslaved
- Miss Major Griffin-Gracy: Activist for Transgender Rights
- Civil War Female Spies
- Beverly LaHaye: Conservative Activist
- Plessy v. Ferguson: Separate but Equal
- Hoovervilles: Shantytowns of the Great Depression
- Ernestine Rose
- Mary Ann Shadd Cary: Antislavery Activist
- What is Gray Propaganda?