During WWII, people were skeptical of spies among them, so the government took Japanese Americans to internment camps against their will (it was a terribly cruel and unjust practice but they were deemed legal in the Korematsu vs. US Supreme Court case) :)
Hernando de Soto
On May 8, 1541, south of present-day Memphis, Tennessee, Spanish conquistador Hernando de Soto reaches the Mississippi River, one of the first European explorers to ever do so.