Russo-Ukrainian war
armed conflict between Russia and Ukraine since 2014
The Russo-Ukrainian war began in February 2014 and is ongoing. Following Ukraine's Revolution of Dignity, Russia occupied Crimea and annexed it from Ukraine. It then supported Russian separatist armed groups who started a war in the eastern Donbas region against Ukraine's military. In 2018, Ukraine declared the region to be occupied by Russia. The first eight years of conflict also involved naval incidents and cyberwarfare. In February 2022, Russia launched a full-scale invasion of Ukraine and began occupying more of the country, starting the current phase of the war, the largest conflict in Europe since World War II. The war has resulted in a refugee crisis and hundreds of thousands of deaths.
In early 2014, the Euromaidan protests led to the Revolution of Dignity and the flight of Ukraine's pro-Russian president Viktor Yanukovych. Immediately after, unmarked Russian troops occupied Crimea. In March 2014, Russia annexed Crimea after an illegitimate referendum. Meanwhile, pro-Russian protests began in parts of southeastern Ukraine.
The public source identifies “Russo-Ukrainian war” as armed conflict between Russia and Ukraine since 2014. This brief keeps that definition visible, then builds a research path around Russo-Ukrainian, armed and conflict.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Sep 17, 2026. The linked authority identifier is Q15860072. The Library of Congress control number is sh2023001220. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2014, 2018 and 2022.
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This entry incorporates text from “Russo-Ukrainian war” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.