The Washington Naval Conference was a disarmament conference called by the United States and held in Washington, D.C. , from November 12, 1921, to February 6, 1922. It was conducted outside the auspices of the League of Nations . It was attended by nine nations (the United States , Japan , China , France , the United Kingdom , Italy , Belgium , the Netherlands , and Portugal ) regarding interests in the Pacific Ocean and East Asia . Germany was not invited to the conference, as restrictions on its navy had already been set in the Versailles Treaty . Soviet Russia was also not invited to the conference. It was the first arms control conference in history, and is still studied by political scientists as a model for a successful disarmament movement.
32-716: Held at Memorial Continental Hall , in Downtown Washington , it resulted in three major treaties: Four-Power Treaty , Five-Power Treaty (more commonly known as the Washington Naval Treaty), the Nine-Power Treaty , and a number of smaller agreements. These treaties preserved the peace during the 1920s but were not renewed in the increasingly hostile world of the Great Depression . The global appetite for peace and disarmament
64-570: A long-term threat to world peace. By then, considering their colonial interests in Asia, the British decided that it was better for them to cast their lot with Washington than Tokyo . To stop a needless, expensive, and possibly dangerous arms race, the major countries signed a series of naval disarmament agreements. The American delegation, led by Secretary of State Charles Evans Hughes , included Elihu Root , Henry Cabot Lodge and Oscar Underwood ,
96-466: A ratio of 1.67 applied to France and Italy. Battleships, the dominant weapons systems of the era, could be no larger than 35,000 tons. The major powers allowed themselves 135,000:135,000:81,000 tons for the newly-developed aircraft carriers . While the admirals were unhappy, peace activists strongly supported the results and successfully worked for ratification. In the United States they included
128-673: The Cable and Telegraph Section and also known as the Cipher Bureau , was the first peacetime cryptanalytic organization in the United States, operating from 1917 to 1929. It was a forerunner of the National Security Agency (NSA). Until World War I , the only codes and cypher organizations created by the U.S. government were short-lived agencies of the United States Armed Forces , such as
160-647: The Daughters of the American Revolution (DAR). It is located at 1776 D Street NW, sharing a city block with the DAR's later-built Administration Building , and Constitution Hall . Completed in 1910, it is the oldest of the three buildings. It was the site of the 1922 Washington Naval Conference , a major diplomatic event in the aftermath of World War I . The building was declared a National Historic Landmark in 1972. Memorial Continental Hall occupies
192-659: The New Deal , relief funds were used to build more warships. "The naval program was wholly mine," President Franklin Roosevelt boasted. The pacts and the treaties that resulted from the Washington Naval Treaty remained in effect for fourteen years. Japan ended participation in 1936. Memorial Continental Hall The Memorial Continental Hall in Washington, D.C. is the national headquarters of
224-569: The Signal Corps , which opted to rebuild the organization for their own purposes and dismissed Yardley and all of his employees. New Secretary of State Henry L. Stimson made this decision, and years later in his memoirs made the oft-quoted comment: "Gentlemen do not read each other's mail." Stimson's ethical reservations about cryptanalysis focused on the targeting of diplomats from the U.S.'s close allies, not on spying in general. Once he became Secretary of War during World War II , he and
256-518: The U.S. Army 's Military Intelligence (MI-8). The Cable and Telegraph Section or Cipher Bureau was established on April 28, 1917, three weeks after the U.S. Congress declared war on the German Empire and began American involvement in World War I . It was headquartered in Washington, D.C. , operated under the executive branch without direct Congressional authorization, and was moved in
288-886: The World Peace Foundation ; the American Association for International Conciliation ; the Carnegie Endowment for International Peace ; the Women's Peace Society ; the Women's World Disarmament Committee; the Women's International League for Peace and Freedom , and the Federal Council of Churches of Christ in America . The Washington Conference exactly captured the worldwide popular demand for peace and disarmament. Without an agreement,
320-786: The Army and the State Department , the Cipher Bureau was tasked with breaking the communications of other nations, primarily diplomatic communications, as occurred during the Washington Naval Conference . According to intelligence historian James Bamford , the Black Chamber secured the cooperation of American telegraph companies such as Western Union in illegally turning over the cable traffic of foreign embassies and consulates. Eventually, "almost
352-628: The Army's organizational chart several times. On July 5, 1917, Herbert O. Yardley was assigned to head the Cipher Bureau, which consisted of Yardley and two civilian clerks. It absorbed the Navy 's cryptanalysis functions in July 1918. The Cipher Bureau moved to New York City on May 20, 1919, where it continued intelligence activities as the Code Compilation Company, or the Black Chamber, under Yardley's command. Jointly funded by
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#1732764891874384-456: The British, and they approached the conference with two primary goals: to sign a naval treaty with Britain and the United States and to obtain official recognition of Japan's special interests in Manchuria and Mongolia . Japanese officials also brought other issues to the conference: a strong demand to remain in control of Yap , Siberia , and Tsingtao as well as more general concerns about
416-670: The British. They were to eliminate Anglo-American tension by abrogating the Anglo-Japanese alliance, to agree upon a favorable naval ratio vis-à-vis Japan, and to have the Japanese officially accept a continuation of the Open Door Policy in China. The British, however, took a more cautious and tempered approach. Indeed, the British officials brought certain general desires to the conference: to achieve peace and stability in
448-463: The Ellipse, is extended to function as a porte cochere , with a drive passing under it. The south portico is semi-circular, with thirteen columns. Memorial Continental Hall was commissioned by the DAR in 1902 to be used as a headquarters, assembly hall, and meeting place for DAR conferences. Architect Edward Pearce Casey designed the building, and construction occurred between 1904 and 1910. It
480-542: The US, Britain and Japan likely would have engaged in a naval arms race much like that experienced between Britain and Germany before the First World War . However, even with the restrictions, the agreement solidified Japan's position as a great power and was treated as a colonial power with equal diplomatic interests, a first for a non-Western nation. The naval treaty was concluded on February 6, 1922. Ratifications of
512-485: The Washington Conference a deal that all countries thought best for themselves. To resolve technical disputes about the quality of warships, the conferees adopted a standard based on the tonnage displacement, a simple measure of the size of a ship. A ten-year agreement fixed the ratio of battleships at 5:5:3: 525,000 tons for the US, 525,000 tons for Britain, and 315,000 tons for Japan. Smaller limits with
544-515: The West Pacific; avoid a naval arms race with the United States; thwart Japanese encroachment into areas under their influence; and preserve the security of Singapore , Hong Kong , and Dominion countries, but they did not enter the conference with a specific laundry list of demands. Rather, they brought with them a vague vision of what the West Pacific should look like after an agreement. Japanese officials were more focused on specifics than
576-731: The communications of the Axis powers . When the war ended, the SIS was reorganized as the Army Security Agency (ASA). On May 20, 1949, all cryptologic activities were centralized under a national organization called the Armed Forces Security Agency (AFSA), a division of the Department of Defense that, after issues relating to poor interagency communication and coordination, was reformed on November 4, 1952 into
608-610: The eastern third of the city block bounded by C and D, 17th and 18th Streets NW, on the west side of the Ellipse near the White House . It is a two-story masonry structure, built out of brick and concrete whose exterior is clad in Vermont marble with Georgian revival features. Its three street-facing elevations all have monumental two-story porticos with Doric columns . The principal entrance, facing east toward 17th Street and
640-602: The end of World War I , the British still had the largest navy afloat, but its big ships were becoming obsolete, and the Americans and the Japanese were rapidly building expensive new warships. Britain and Japan were allies in a treaty that was due to expire in 1922. Although there were no immediate dangers, observers increasingly pointed to the American-Japanese rivalry for control of the Pacific Ocean as
672-466: The entire American cable industry" was part of this effort. However, these companies eventually withdrew their support, possibly due to the Radio Act of 1927 , which broadened criminal offenses related to breaching the confidentiality of telegraph messages. In 1929, the State Department withdrew its share of the funding while the Army, undergoing unit reorganizations, transferred the Black Chamber to
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#1732764891874704-514: The entire U.S. command structure relied heavily on decrypted enemy communications. In 1931, Yardley, out of a job and desperate for an income during the Great Depression , wrote a book about the Cipher Bureau, titled The American Black Chamber . The term "Black Chamber" predates Yardley's use of it in the title of his book. During World War II, the Signal Intelligence Service (SIS) was created to intercept and decipher
736-413: The few ships that were built were limited in size and armament. Many existing capital ships were scrapped or sunk. Some ships under construction were turned into aircraft carriers instead. Even with the treaty, the major navies remained suspicious of one another and briefly (1927–1930) engaged in a race to build heavy cruisers , which had been limited in size (10,000 tons) but not numbers. That oversight
768-474: The greatest influence in the 1920s, "when they helped to promote women's contribution to the anti-war movement throughout the Western world." In the United States, practically all the major Protestant denominations and highly-visible Protestant spokesmen were strong supporters of international peace efforts. They collaborated to work to educate their local congregations on the need for peace and disarmament. At
800-511: The growing presence of American fleets in the Pacific. The American hand was strengthened by the interception and decryption of secret instructions from the Japanese government to its delegation. The message revealed the lowest naval ratio that would be acceptable to Tokyo ; US negotiators used that knowledge to push the Japanese. This success, one of the first in the US government's budding eavesdropping and cryptology efforts, led eventually to
832-579: The growth of such agencies. The head of the Japanese delegation to the Washington Naval Conference was Prince Iyesato Tokugawa , who during the first four decades of the twentieth century led a political movement in Japan that promoted democracy and international goodwill with the U.S., Europe and Asia. His influence was significant in the negotiations and ratification of the Washington Naval Treaty. US President Warren Harding called
864-576: The last being the Democratic minority leader in the Senate. The conference's primary objective was to restrain Japanese naval expansion in the waters of the West Pacific , especially with regard to fortifications on strategically-valuable islands. Its secondary objectives were intended to obtain an ultimate limit to Japanese expansion and also an alleviation of concerns over possible antagonism with
896-649: The treaty were exchanged in Washington on August 17, 1923, and it was registered in League of Nations Treaty Series on April 16, 1924. Japan agreed to revert Shandong to Chinese control by an agreement concluded on February 4, 1922. Ratifications of the agreement were exchanged in Beijing on June 2, 1922, and it was registered in League of Nations Treaty Series on July 7, 1922. The Washington Naval Treaty led to an effective end to building new battleship fleets, and
928-672: Was aplenty throughout the 1920s. Women had just won the right to vote in many countries, and they helped convince politicians that money could be saved, votes won, and future wars avoided by stopping the arms race. Across the world, leaders of the women's suffrage movement formed international organizations such as the International Council of Women and the International Woman Suffrage Alliance . Historian Martin Pugh writes that they achieved
960-642: Was resolved on value of cruisers by the London Naval Treaty of 1930, which specified a 10:10:7 ratio for cruisers and destroyers. For the first time, submarines were also limited, with Japan given parity with the US and Britain, at 53,000 tons each. (Submarines typically displaced 1,000–2,000 tons each.) The US Navy maintained an active building program that replaced obsolescent warships with technically more sophisticated new models in part because its construction yards were important sources of political patronage and so were well protected by Congress. During
992-615: Was the first of three DAR buildings erected on the same site. The nearby Administration Building was built in 1920, and Constitution Hall was built at the opposite end of the site in 1929. The Administration Building was expanded in 1950 to unite all three buildings. The final act of the 1913 Woman Suffrage Procession , initiated by Alice Paul , was a meeting at the Memorial Continental Hall. Speakers were Anna Howard Shaw , Carrie Chapman Catt , Mary Johnston , and Helen Adams Keller . Memorial Continental Hall
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1024-494: Was the site of the Washington Naval Conference in 1921-22, a major diplomatic meeting in which the major powers of the world agreed to limit the sizes and capabilities of their naval forces. In 1943 the hall was loaned to the American Red Cross for emergency wartime work. In 1949, the stage in the auditorium was removed and the room was converted to a library. Black Chamber The Black Chamber , officially
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