Russia–Ukraine relations
Russia–Ukraine relations refer to the bilateral ties between the Russian Federation and Ukraine . Following the Ukrainian Revolution of Dignity in 2014, Ukraine's Crimean Peninsula was occupied by unmarked Russian forces , later being annexed by Russia , while pro-Russia separatists simultaneously engaged the Ukrainian military in an armed conflict for control over eastern Ukraine ; these events marked the beginning of the ongoing Russo-Ukrainian War . In a major escalation of the conflict on 24 February 2022, Russia launched a full-scale invasion of the Ukrainian mainland across a broad front. Ukraine severed all formal diplomatic ties with Russia on the day of the 2022 Russian invasion. [1] [2] [3] After the collapse of the Soviet Union in 1991, the successor states' bilateral relations have undergone periods of ties, tensions, and outright hostility. In t...