In Japan, there is a hotel that is staffed entirely by robots, from the receptionist to the cleaning crew.
Japan invaded Manchuria in 1931, which marked the beginning of its aggressive expansion in Asia prior to World War II.
The 16th century saw the rise of Oda Nobunaga, Toyotomi Hideyoshi, and Tokugawa Ieyasu, who were instrumental in unifying Japan under a centralized government.