Ryōunkaku Ryōunkaku The was Japan's first western-style skyscraper. It stood in the Asakusa district of City of Tokyo (now Taitō, Tokyo) from 1890 until its demolition following the Great Kanto earthquake of 1923. The , as it was affectionately called by Tokyoites, was Tokyo's most popular attraction, and a showcase for new technologies. It housed Japan's first electric elevator. The Ryōunkaku quickly became a landmark and symbol of Asakusa after its opening in 1890. It was a major leisure complex for visitors from all over Tokyo. When the 1894 tremor weakened the structure, it was reinforced with steel girders. However, the
Imperial Japanese Navy Air Service and the first one to be completed as from the keel up. In the 1920s, the larger percentage of aircraft that were initially acquired and inducted into service, were land based seaplanes whose main tasks were reconnaissance and anti-submarine patrols. The Japanese had drawn up plans for the formation of 17 squadrons of these aircraft, but budgetary constraints limited the units to eleven until 1931. Under the terms of the Washington Naval Treaty two incomplete capital ships were allowed to be rebuilt as carriers, for the Japanese; and . However, "Amagi" was damaged during the Great Kanto earthquake in 1923