Henry Brown wrote that long before he came to be known as Box, he entered the world a slave. He was put to work as a child and passed down from one generation to the next -- as property. When he was an adult, his wife and children were sold away from him out of spite. Henry Brown watched as his family left, bound in chains, headed to the deeper South. What more could be taken from him? But then hope -- and help -- came in the form of the Underground...

In the Battle of Thermopylae of 480 BC, an alliance of Greek city-states fought the invading Persian army in the mountain pass of Thermopylae. Vastly outnumbered, the Greeks held back the enemy in one of the most famous last stands of history. Persian King Xerxes lead an Army of well over 100,000 men to Greece and was confronted by 300 Spartans, 700 Thespians and other Slave soldiers. Xerxes waited many days for King Leonidas to surrender or withdraw....