The conflict between Russia and Ukraine has a complex and multifaceted history that stretches back many decades. However, the most recent phase of the conflict began in 2014, following the Euromaidan revolution in Ukraine and the subsequent annexation of Crimea by the Russian Federation.
After the ouster of Ukrainian President Viktor Yanukovych in February 2014, pro-Russian separatists seized control of several cities in the Donbass region of eastern Ukraine. In response, the Ukrainian government launched a military campaign to retake the territory, leading to a protracted and ongoing conflict that has claimed thousands of lives and displaced millions of people.