Years of civil war in Japan ended when Tokugawa Ieyasu defeated all his rivals becoming the Shogun or leader of Tokugawa Shogunate in 1600. He ruled from a sleepy village on the east coast, a city that would become the sprawling metropolis of Tokyo. One of the first things the city created was a place to execute criminals, political prisoners, and Christians, a banned religion in Japan at the time. One of three sites used to execute prisoners, the Suzugamori Execution Ground (鈴ヶ森), was established in 1651. At the time,…