 At first for his own use, this coal-burning plant became the basis for the Yokohama Cooperative Electric Light Company.The city was officially incorporated on April 1, 1889.By the time the extraterritoriality of foreigner areas was abolished in 1899, Yokohama was the most international city in Japan, with foreigner areas stretching from Kannai to the Bluff area and the large Yokohama Chinatown.