Washington Naval Conference

December 12, 1921 — March 6, 1922

During the Washington Naval Conference called by President Woodrow Wilson, several significant treaties and agreements were created and signed among the world's major powers. Major treaties of the conference included: Five-Power Treaty (between the US, Great Britain, France, Italy, and Japan), concerning naval disarmament; the Four-Power Treaty (between the US, France, Great Britain, and Japan), concerning conflict resolution in Asia; and the Nine-Power Treaty (between the US, Great Britain, Japan, France, Italy, Belgium, the Netherlands, Portugal, and China), concerning Open Door Policy in China.

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