Historical Organization
Assembly of States Parties
Assembly of States Parties
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Organization Timeline
International Criminal Court begins operation
📅 1 July 2002The Rome Statute entered into force, establishing the ICC as the first permanent treaty-based international criminal court. Its role is complementary: national jurisdictions retain primary...
Luis Moreno Ocampo elected first ICC Prosecutor
📅 21 April 2003The Assembly of States Parties elected Argentine jurist Luis Moreno Ocampo as the first Prosecutor. His office would decide which situations to investigate within the jurisdiction conferred by the...
Rome Statute Review Conference opens in Kampala
📅 31 May 2010States Parties met for the first review conference, hosted in Uganda. Negotiations addressed the crime of aggression and reviewed implementation of the Statute. Holding the conference in an African...
Kampala Conference adopts amendments on aggression
📅 11 June 2010States Parties adopted a definition of the crime of aggression and conditions for ICC jurisdiction. The amendments reflected long-standing demands to address leaders’ responsibility for unlawful...
Appeals Chamber remands dispute over Kenya’s cooperation
📅 19 August 2015The Appeals Chamber reversed the earlier finding that Kenya had failed to cooperate in the Kenyatta case and sent the issue back for a new determination under the proper legal standard. The litigation...
ICC activates jurisdiction over crime of aggression
📅 10 March 2017The Assembly of States Parties activated the Court’s jurisdiction over aggression, effective 17 July 2018. Jurisdiction was constrained by amendments: among other limits, the Court could not generally...
Appeals Chamber confirms Jordan failed to arrest al-Bashir
📅 6 May 2019The Appeals Chamber found Jordan failed to comply with its duty to arrest Omar al-Bashir during an Arab League summit, while clarifying the Court’s reasoning on head-of-state immunity. The case...
ICC Prosecutor opens Ukraine investigation after state referrals
📅 2 March 2022After referrals by 39 States Parties, the Prosecutor opened an investigation into alleged crimes within ICC jurisdiction in Ukraine. The rapid referrals contrasted with the slower, politically...
ICC finds Mongolia failed to cooperate over Putin arrest warrant
📅 24 October 2024The Court found that Mongolia failed to comply with its obligation to arrest and surrender Putin when he visited in September. The judges referred the matter to the Assembly of States Parties. The...