Stockholm Syndrome is a condition in which innocent hostages develop a psychological bond with their captors, forming intense emotional sympathies with otherwise total criminal strangers.

Operation Paperclip was a covert program to recruit and relocate German scientists and engineers to strengthen American scientific and technical abilities, particularly in the emerging field of rocketry.

The Nuremberg Trials between 1945 and 1949 attempted to bring Nazi war criminals to justice, including the sentencing of lengthy prison terms and executions.

The Victorian Era, aligning with Queen Victoria’s reign from 1837 until 1901, was a period of innovation in technology, healthcare, philosophy, literature and more.

Vatican City is the smallest country in the world with a population of fewer than 1,000 residents and is governed as an absolute monarchy in support of the Pope.

Samurai History dates back to the Heian Period of feudal Japan, where the warriors were considered military nobility until national jurisdiction abolished them in 1869.

The 86-mile-long Berlin Wall was built by the Soviet Union after WWII, in response to mass defections by East Berliners into the non-communist zones of Berlin.