London Naval Treaty

The first heavy cruisers were built in 1915, although it only became a widespread classification following the London Naval Treaty in 1930.

Tōgō publicly expressed a dislike and disinterest for involvement in politics; however, he did make strong statements against the London Naval Treaty.

In 1931, after the London Naval Treaty, Iron Duke was disarmed and she served as a gunnery training vessel.

Nomura visited Germany again during most of 1929, and was part of the Japanese delegation to the London Naval Treaty talks.

The government of Japan, which had been a signatory of the First London Naval Treaty, had withdrawn from the conference on 15 January.

Under the Washington Naval treaty and the London Naval treaty, the American navy was to be equal to the Japanese army by a ratio of 10:7.

The design of the Alaska class ships was, from the keel up, just a scaled-up treaty cruiser unencumbered by the Washington, London and Second London naval treaties.

On her return to the Navy, she was again berthed at League Island where she remained until sold for scrap on 2 May 1934 in accordance with the London Naval Treaty.

In addition, Hoover and MacDonald came to an agreement that formed the basis of the 1930 London Naval Treaty while meeting at Rapidan Camp, talking for hours sitting on an "historic log".

He went onto the reserve list in 1921, but remained a close confidant of Tōgō, and was strongly opposed to the naval reductions proposed during the 1927 Geneva Naval Conference and 1930 London Naval Treaty.

Preliminary studies for a new class of battleships began after Japan's departure from the League of Nations and its renunciation of the Washington and London naval treaties; from 1934 to 1936, 24 initial designs were put forth.

The 1930 London Naval Treaty extended the "battleship holiday" from the Washington Naval Treaty until the end of 1936, although France and Italy were allowed to lay down new battleships in accordance with the older treaty.

Japan's withdrawal from the London Naval Treaty led to reconstruction of her forward tower to fit the Pagoda-Style of design, improvements to the boilers and turbines, and reconfiguration of the aircraft catapults aft of Turret 3.

Arriving on 31 March, she was decommissioned on 2 August and berthed with other reserve ships at League Island until struck from the Naval Vessel Register on 21 March 1931 in accordance with the London Naval Treaty.

While in the opposition during the Minseitō-dominated cabinet of Prime Minister Hamaguchi Osachi, the Seiyūkai attacked the ratification of the London Naval Treaty of 1930 as against Article 11 of the Meiji Constitution, which stipulated the independence of the military from civilian control.