Kellogg-Briand Pact

The Kellogg-Briand Pact — formally the General Treaty for the Renunciation of War as an Instrument of National Policy — was signed in Paris on 27 August 1928 by the foreign ministers of 15 nations; eventually 62 states acceded. The treaty was the most ambitious interwar attempt to legally prohibit war, and is technically still in force. The pact originated in French Foreign Minister Aristide Briand's proposal to the United States in 1927 for a bilateral Franco-American treaty renouncing war between the two countries. US Secretary of State Frank Kellogg transformed this into a multilateral proposal, inviting all major powers to join. The result — largely drafted by the American lawyer James Shotwell — was a two-article document: states agreed to renounce war as national policy and to seek only peaceful resolution of disputes. The pact's structural weakness was immediately apparent: it contained no enforcement mechanisms, no definition of what constituted 'war' versus 'defensive action,' and no organisation with authority to determine violations. Each signatory state retained the right to define its own defensive needs. Japan's invasion of Manchuria (1931), Italy's invasion of Ethiopia (1935), Germany's remilitarisation of the Rhineland (1936), and eventually World War II all occurred among signatories who remained technically parties to the treaty. Despite its failure to prevent war, the Kellogg-Briand Pact had lasting legal significance. The Nuremberg Tribunal (1945) cited it as the legal basis for the crime of waging aggressive war — establishing that individuals could be criminally liable for launching wars of aggression. This principle was incorporated into the UN Charter and the Rome Statute of the International Criminal Court. The pact's critics call it a prime example of legalistic internationalism that mistakes legal declarations for political realities; its defenders note that its legal precedents outlasted its diplomatic failure.

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