The Vatican published an article in L'Osservatore Romano stating that Pope Leo XIV helped secure the Oleshky truce following October phone calls with Vladimir Putin and Volodymyr Zelenskyy.

An ongoing armed conflict between Russia and Ukraine that was sparked with Russia's annexation of Crimea in 2014 and escalated into a full-scale invasion in February 2022, resulting in widespread casualties, displacement and significant geopolitical consequences for Europe and the world.