The World War II monument opens, the concentration camp, Dachau is liberated, New Orleans falls to the Union army in the Civil War, and the first international space flight is launched in This Day in History video. The date is April 29th. The Americans and Russians each sent an astronaut up in the same space ship.
Samuel Sandoval, one of the last original Navajo Code Talkers, recalls enlisting in the Marines at 18 to help create an unbreakable code. Using their sacred, unwritten language, he and his brothers-in-arms forged a secret weapon that never fell to the enemy.