The Diplomatic Conference on the Reaffirmation and Development of International Humanitarian Law Applicable in Armed Conflicts, convened by the Swiss Federal Council, held four sessions in Geneva during the years 1974–1977. On 8 June 1977, the Conference adopted by consensus two Protocols Additional to the Geneva Conventions of 12 August 1949, the first relating to the protection of victims of international armed conflicts (Protocol I), and the second relating to the protection of victims of noninternational armed conflicts (Protocol II).
The states invited to the Conference were all the states Parties to the Geneva Conventions of 1949, and such states non-Parties as were members of the United Nations. 126 states were represented at the first session, 121— at the second, 106—at the third and 109—at the fourth.