Clara Barton was a self-taught nurse who got on-site training during the Civil War where she tended to the wounded on active battlefields. Barton would successfully start the American Red Cross and ambulance first responders.

While studying in Portugal, Christopher Columbus became convinced a Northwest Passage to Asia existed and was motivated to find it. Sponsored by the Spanish monarchy, Columbus made three voyages to the New World, mostly throughout the Bahamas.

During his 43-year reign, Peter The Great transformed Russia’s medieval aristocracy, established a formidable navy, prioritized scientific and technological advancement, built Saint Petersburg, and more.

Attila the hun was the last strong leader in a long succession of Hun rulers. Attila would showcase his power and strength by storming through the Balkans on multiple occasions to invade, pillage, and pilfer.

The Romanov family was a succession of Russian rulers between 1631 and 1918, including Peter the Great, Catherine the Great, Alexander I, and Czar Nicholas II.

Hernán Cortés was born in Medellin Spain in 1485 and by 19 was the apprentice to conquistador Diego Velázquez. In blatant disobedience to Velázquez, Cortés took 11 ships and 500 men to conquer the Aztec Empire.

Rising to power at age seventeen, Roman Emperor Nero soon witnessed his half brother, mother and wife mysteriously dying or blatantly murdered. Nero invented the Olympics but also spent the Roman empire into financial stress before committing suicide.