Key dates at a glance
Russia’s actions toward Ukraine span years, with the most intense escalation beginning in 2022. Below is a concise, source-based timeline of major moments, from earlier annexations and conflicts to the start of the full-scale invasion. Dates are presented as clearly as possible to clarify the sequence and status of events.
| Date or period | Event | Why it matters |
|---|---|---|
| February 2014 | Russia annexes Crimea and supports armed groups in eastern Ukraine | Marked the first forcible change of European borders since 1945 and ignited an ongoing conflict in Donbas. |
| April 2014–February 2022 | War in Donbas (Donetsk and Luhansk) | Ongoing conflict with periods of escalation and ceasefire; Russia provided support to separatist forces. |
| 24 February 2022 | Russia begins full-scale invasion of Ukraine | Multi-front attacks across northern, eastern, and southern axes; declared by Russian President Vladimir Putin; met with widespread international condemnation and sanctions. |
| 24 February – April 2022 | Initial invasion phase: Kyiv, Kharkiv, Kherson, and other regions | Russian forces pushed toward Kyiv and other major cities; faced unexpectedly strong Ukrainian resistance and logistical setbacks; many units withdrew from the north. |
| May–December 2022 | Shift to eastern offensives; referendums and annexations in occupied territories | Intensified fighting in Donbas, especially around Sievierodonetsk and Luhansk; Russia declared annexations widely seen as illegal under international law. |
| 2023–2024 | Continued large-scale warfare; territorial changes in Donetsk and Zaporizhzhia oblasts | Front lines fluctuated; extensive use of drones, artillery, and mobilization; global debate on security guarantees and long-term consequences. |
What triggered the widespread conflict before 2022
Longstanding tensions between Russia and Ukraine over identity, security, and geopolitical alignment set the stage for later crises. Protests in Ukraine in late 2013 and early 2014, followed by shifts in leadership, influenced Russia’s security calculus. These developments were framed by Moscow as threats to Russian speakers and interests, which it cited to justify subsequent interventions. Understanding this context helps explain why the situation escalated beyond diplomacy and into sustained military action.
How the full-scale invasion began on 24 February 2022
On 24 February 2022, Russia launched a full-scale invasion of Ukraine, marking a dramatic escalation in the conflict that had simmered since 2014. Russian forces attacked from multiple directions, aiming to quickly capture Kyiv and other strategic targets. In the initial phase, cities near the borders and in the north experienced heavy fighting, but Ukrainian forces mounted stronger resistance than anticipated. As logistics and morale issues mounted for Russian units, many withdrew from areas around Kyiv by April 2022, shifting the focus eastward.
Phases of the war through 2023
After the initial failed attempt at a rapid decisive campaign, the war settled into a grinding conflict concentrated in eastern and southern Ukraine. By mid-2022, Russian forces concentrated on Donbas, leading to prolonged battles in cities such as Sievierodonetsk. Throughout 2023, the front remained volatile, with extensive use of artillery, drones, and newly mobilized forces. Territorial changes were incremental and often measured in villages or small towns, with control over certain settlements frequently contested rather than decisive.
International response and long-term implications
The international response to the invasion has been unprecedented in its scale and coordination. Sanctions, military aid, and diplomatic support for Ukraine have reshaped global security discussions. The United States, European Union, and allied nations have provided substantial financial, intelligence, and defensive assistance to Ukraine. At the same time, the war has triggered energy, food, and refugee crises that continue to affect countries worldwide. The long-term implications for European security, NATO posture, and global governance remain subjects of active analysis and debate.
FAQs
- When did Russia first intervene militarily in Ukraine? Russia first intervened in February 2014 with the annexation of Crimea and the deployment of unmarked forces, followed by support for armed groups in the Donbas.
- Did Russia recognize Ukrainian independence before invading? Yes; Russia recognized Ukraine’s sovereignty and borders in multiple agreements, making the 2022 invasion a breach of those commitments under international law.
- How has the status of certain regions changed during the war? Some areas in Donetsk, Luhansk, Kherson, and Zaporizhzhia oblasts have seen shifts in control; Russia has held staged referendums and declared annexations widely regarded as illegal by the international community.
- What defines a full-scale invasion? A full-scale invasion typically involves multi-front ground operations, significant air and naval support, and declared war aims aimed at controlling territory or reshaping a country’s political order.
- Are earlier conflicts related to the 2022 invasion? Yes; the wars in Donbas and Russia’s annexation of Crimea created conditions that influenced planning and justification for the larger invasion in 2022.
Conclusion
The invasion that began on 24 February 2022 represents a major escalation in a prolonged period of tension and intermittent conflict. Earlier interventions, such as the 2014 annexation of Crimea and the war in Donbas, set the stage for the full-scale invasion. The ongoing conflict continues to reshape security dynamics, humanitarian conditions, and international relations for the foreseeable future.