What major world conference occurred in 1921-1922 and resulted in several disarmament agreements?

The major world conference that took place from 1921 to 1922 was the Washington Naval Conference. This conference aimed to address naval disarmament and prevent an arms race among the world's major powers following World War I. It resulted in several significant agreements, including the Five-Power Treaty, which established limits on naval construction and aimed to maintain a balance of power in the Pacific. The conference marked a significant effort in international diplomacy to promote peace and stability in the post-war era.