Yokohama is Japan's second-largest city and a major port city located south of Tokyo, with a population of over 3.7 million people.
Japan invaded Manchuria in 1931, which marked the beginning of its aggressive expansion in Asia prior to World War II.
Japan's victory over Russia in the Russo-Japanese War of 1904-1905 was the first time an Asian power had defeated a European power in a modern war.
