The United Nations Charter (UN Charter) is a fundamental treaty of the United Nations and its system, serving as a cornerstone of international law. Signed on June 26, 1945, and enforced from October 24, 1945, it establishes the organization’s structure and principles. The Charter articulates the UN’s mission to maintain global peace and security, foster international cooperation, advance social progress, improve living conditions, and safeguard human rights. Moreover, it reaffirms key principles of international law, including customary international law.
[Last updated in July of 2024 by the Wex Definitions Team]