Ukraine Index: Tracking developments in the Ukraine war By: Michael E. O’Hanlon, Constanze Stelzenmüller, and David Wessel Research Support: Alejandra Rocha, Sophie Roehse, and Mallika Yadwad January 22, 2025 "On February 24, 2022, Russia launched a full-scale invasion of Ukraine. The war follows on Russian territorial aggression against its neighbor that began in 2014 with the illegal annexation of Crimea and a proxy war in the eastern Donbas region. Tracking developments in the Ukraine war, the Brookings Institution — in partnership with The Washington Post — presents the Ukraine Index, which compiles security, economic, and political data presented in graphic...