Ukraine became independent after the Soviet Union's collapse

The Soviet Union collapsed in 1991, due to economic decline and political unrest

By the late 1980s, the Soviet economy was stagnating and its political system was under tremendous strain. Soviet reforms failed to reverse the decline, and growing independence movements led to the USSR’s formal dissolution in 1991.

Ukraine's Soviet Republic was tightly bound to Moscow's control

Proclaimed in 1917 and absorbed into the USSR in 1922, the Ukrainian Soviet Socialist Republic was nominally independent yet operated under Moscow's control, with its government and laws directed by the Soviet Communist Party.

The origins of Ukrainian identity are a matter of historical debate.

Ukraine came under Russian imperial rule in the late 18th century

After centuries of division among neighboring powers, most of present-day Ukraine was absorbed into the Russian Empire by the late 1700s, marking the beginning of a long period of imperial control and cultural suppression.

Ukraine once had the third-largest nuclear arsenal—and gave them all up by 1996.

Prehistoric to present day Ukraine

Recognizing the abundance of information available on the current war between Ukraine and Russia, this video focuses on the history of the region. Encapsulating Ukraine's background, the viewer will gain a better grasp of how the modern state arose from a quilt of different ethnicities, noteworthy conflicts between various groups, and more.

Pro-Russian separatists seized cities in eastern Ukraine in 2014

After Russia's annexation of Crimea, armed pro-Russian separatists seized government buildings in Donetsk and Luhansk in April 2014, declared the regions independent, and sparked a prolonged conflict with Ukrainian forces.

Mass protests in 2004 overturned a rigged Ukrainian election

During the Orange Revolution, Ukrainians protested against election fraud favoring pro-Russian candidate Viktor Yanukovych. Weeks of peaceful demonstrations led to a rerun vote, bringing Viktor Yushchenko to power and weakening Moscow's influence in the country.

Ukraine's pro-Russian President halted an EU deal in 2013, leading to a mass protest movement

In late 2013, President Viktor Yanukovych suspended preparations for a long-negotiated EU association agreement under Russian pressure, signaling a return to Moscow's influence and sparking mass Euromaidan protests across Ukraine.

Ukrainian nationalism rose under imperial repression

In the 19th century, Ukrainian nationalism took shape through cultural revival movements and intellectual circles—even as the Russian Empire banned the Ukrainian language and sought to suppress Ukrainian identity.

Ukraine has received over $300B in Western military and financial aid

Although not a member of NATO, Ukraine has received substantial support from Western nations, primarily the United States and the European Union, totaling more than $300B in military, financial, and humanitarian assistance.

Explore a timeline tracing the Soviet Union’s collapse from 1985 to 1991

This interactive webpage charts the USSR’s final years—from Gorbachev’s rise to the 1991 dissolution—using infographics, key quotes, and profiles of prominent political figures to explain how the Soviet state unraveled, and Russia emerged in its place.

Russian forces seized Ukraine's Crimean Peninsula in 2014

Days after Ukraine's 2014 revolution, unmarked Russian troops occupied key sites in Crimea, a Black Sea peninsula with a predominantly Russian-speaking population that had been part of Ukraine since 1954.

Protests in Ukraine from 2013 to 2014 set the stage for the current conflict.

Note: graphic content.

Economic stagnation and the arms race pushed the USSR toward collapse

By the 1980s, chronic economic stagnation and soaring military costs forced Gorbachev to launch sweeping reforms—perestroika and glasnost—to revive the Soviet system. Instead, openness fueled independence movements across the republics, accelerating the regime’s rapid downfall.

Russia annexed Crimea after a disputed 2014 referendum

On March 16, 2014, a disputed referendum in Crimea reported overwhelming support for joining Russia. Moscow annexed the peninsula two days later, a move widely condemned as a violation of international law.

Russia's full-scale invasion of Ukraine began on Feb. 24, 2022

Russia launched a massive multifront assault from Belarus, Russia, and Crimea, aiming to seize Kyiv within days. Instead, Ukrainian forces repelled the advance, halting Moscow's plans for a rapid takeover.

Kyivan Rus laid the cultural foundations for Eastern Europe

From the 9th to the 13th centuries, Kyivan Rus was a powerful East Slavic state centered in Kyiv. It shaped the region's language, religion, and political traditions—forming the shared cultural roots of modern-day Ukraine, Russia, and Belarus.

Many countries remained neutral after Russia's invasion of Ukraine

Following Russia's 2022 invasion of Ukraine, few nations outside the West imposed sanctions on Moscow. Major powers such as China, India, Brazil, and Turkey remained neutral, underscoring global divisions over how to confront Russian aggression.

Language and regional differences are faults lines in Ukraine's conflict.

Modern Ukraine—caught between Europe and Russia

"Ukraine" has been translated by some scholars as meaning "borderlands". Indeed the country lies perfectly between Europe and Russia, while hosting a diverse collection of people of differing languages, cultures, and ethnicities, feeling affinity for those on the other sides of the country's borders. This article explores how this affects the actions and reactions of Ukrainians during the current conflict.

Russia controls about 20% of Ukraine's territory

As of February 2026, Russian forces occupy roughly one-fifth of Ukraine, including Crimea and large parts of the Donetsk, Luhansk, Zaporizhzhia, and Kherson regions, with front lines largely unchanged for months.

See a timeline of the major moments in Soviet history

Beginning with Lenin’s return to Russia from Germany in 1917 and ending with Gorbachev’s resignation on December 25, 1991, this timeline outlines the significant domestic and foreign policy developments that led to the rise and fall of the Soviet Union.

Communist governments across Eastern Europe fell in 1989

In 1989, a series of mostly peaceful uprisings led to the collapse of communist regimes in Eastern Europe. Protests and political shifts in countries like Poland, East Germany and Czechoslovakia marked the end of Soviet dominance in the region.

Fighting in eastern Ukraine killed thousands in the years before Russia's full invasion

From 2014 to 2022, fighting between pro-Russian separatists and Ukrainian forces in the Donbas region killed roughly 14,000 people and left many cities in ruins, setting the stage for Russia's 2022 invasion.

Ukraine's reformist candidate survived a poisoning attempt in 2004

During the 2004 presidential campaign, Viktor Yushchenko was poisoned with dioxin, which disfigured his face but did not prevent him from winning the rerun election. The attack was widely suspected to involve pro-Russian security forces.

Ukraine's sushi restaurants have remained open through the country's war with Russia

Although the country's cities have become battlegrounds, its sushi restaurants—a popular comfort food for Ukrainians—have remained open. That's especially surprising considering they require imported fresh fish and highly skilled chefs.

Putin claimed the invasion of Ukraine was to demilitarize and 'denazify' the country

In a 5,000-word historical treatise he wrote himself, President Vladimir Putin claimed the move was meant to restore Russia's historic lands. Many Western historians and global leaders described these narratives as false pretexts for aggression.

The disaster affected the Soviet Union's credibility at home and abroad

The USSR's secretive, chaotic response to Chernobyl dealt a significant blow to its legitimacy. Public anger over deception, health risks, and propaganda fueled mass protests, strengthened independence movements in Ukraine and Belarus, and convinced many Soviets that the system was failing.

NATO condemned Russia's 2022 invasion of Ukraine

While Ukraine is not a member, NATO responded forcefully to the Russian invasion of the country in 2022. This page from the NATO website offers answers to frequently asked questions about NATO’s response to the invasion, specifically on how NATO is aiding Ukraine.

Gorbachev’s reform efforts accelerated the Soviet Union’s collapse

In the 1980s, Mikhail Gorbachev introduced glasnost (openness) and perestroika (restructuring) to reform the USSR. Instead of saving the system, the policies exposed deep problems—fueling unrest and weakening central control.

The Russian Revolution toppled the tsar and brought the Bolsheviks to power

In 1917, mass unrest, war exhaustion, and economic collapse overthrew the Romanov monarchy, enabling the Bolsheviks to seize control. The revolution dismantled imperial Russia and set the foundation for the creation of the Soviet Union.

The 1917 Russian Revolution: an interactive timeline

The 1917 Russian Revolution ended Tsarist rule and ultimately led to the establishment of the Union of Soviet Socialist Republics in 1922. Follow the events that led to the revolution, subsequent civil war, and the USSR in this interactive...

Finland and Sweden joined NATO after Russia's invasion of Ukraine

In response to Russia's 2022 invasion of Ukraine, Finland and Sweden abandoned decades of military neutrality to join NATO, marking a major shift in Europe's security landscape and expanding the alliance to Russia's borders.

The origins of Putin's 'Nazism' claim in Ukraine

Ukraine has had a varied history, and is home to a rich diversity of ethnicities, religions, and people. In the time leading up to Russia's attacks on the country, Russian President Vladimir Putin referred to Ukraine as a "Nazi nation", owing to Ukrainian nationalists' acceptance of the invading Nazis as liberators from the Soviet Union in WWII. The history is more complex than that. Read this Smithsonian Magazine article to learn more.

The Soviet Union consisted of 15 Soviet Socialist Republics

The USSR comprised 15 republics—Armenia, Azerbaijan, Belarus, Estonia, Georgia, Kazakhstan, Kyrgyzstan, Latvia, Lithuania, Moldova, Russia, Tajikistan, Turkmenistan, Ukraine, and Uzbekistan—all governed from Moscow, the Soviet capital and still Russia’s capital today.

Ukraine's contested Donbas region: a visual explainer

Russia's heavily industrialized eastern Donbas region has been largely controlled by Russian separatists since 2014. Here's everything you need to know on the key strategic region.

Mapping Russia's historical borders

This interactive map illustrates how the country’s borders have changed over the centuries, dating all the way back to the year 862, when the Varangian king Rurik assumed leadership of Ancient Rus. Scroll down to see how Russia vastly expanded its territory in the 16th and 17th centuries, and skip to 1991 to see which countries gained independence after the fall of the USSR.

Russia's invasion of Ukraine has destabilized safety and oversight at Chernobyl

Russian forces cut power and disabled monitoring of the decommissioned nuclear power plant in 2022, endangering operators at Chernobyl. In February 2025, a Russian drone struck the confinement structure—part of broader efforts to pressure Ukraine's energy infrastructure—punching a hole in the containment shell.

The day Russia invaded Ukraine—an oral history

Experience the slow build-up to the Russian-Ukraine war, to the moment when it was clear Putin intended to invade, to the actual invasion and occupation in this oral history compiled by Politico. Multiple US and Western officials share their perspectives and thoughts on the war, how it's been conducted, and what can happen next.

The Russia-Ukraine conflict is the largest ground war in Europe since World War II in terms of casualties, forces mobilized, and displacement of civilians.

The world rapidly decolonized after World War II, with roughly a hundred new countries emerging between 1945 and 1989.

Decolonization isn't complete, as nearly 2 million people were living in UN-designated non-self-governing territories as of 2023.

Russia's invasion of Ukraine accelerated fractures in the rules-based international order

This piece examines how the Ukraine conflict intensified underlying divisions in the global order—between Western democracies and the Global South, and between rule-of-law norms and great-power politics.

Stalin's policies intentionally caused a devastating famine in Ukraine

The Holodomor of 1932-33 was a human-made famine resulting from Stalin's grain requisition policies, killing an estimated 3 million to 4 million Ukrainians—considered by many to be an act of genocide.

Soviet control spread across Eastern Europe after WWII

In the late 1940s, the USSR solidified control over Eastern Europe by installing pro-communist regimes in countries like Poland, Hungary and Romania—often through rigged elections and political repression.

The Russia-Ukraine war greatly affected the global food supply

Russia's invasion devastated Ukraine's agricultural sector, destroying farms, ports, and grain infrastructure and causing over $40B in losses. Disrupted exports fueled global food insecurity, while Moscow leveraged its grain exports to expand influence across the Global South.

Breaking down Western military weapons in Ukraine

Since the beginning of the Russian invasion of Ukraine in February 2022, Western military aid has helped dictate Ukraine's capability and strategy on the battlefield. From advanced ground-launched missiles to millions of rounds of ammunition, the supplies have been critical for Ukraine but force Western countries to tip-toe around the appearance of direct conflict with Russia. This visual deep-dive breaks down some of the most important military aid to date.

The global nuclear arms regime has slowly eroded over the past few decades

Both Russia and the United States have withdrawn from key Cold War-era arms-control pacts. Russia's 2022 invasion of Ukraine marked a turning point, as it suspended its participation in inspections and data-sharing agreements.

The Minsk peace accords failed to end fighting in eastern Ukraine in the mid-2010s

The Minsk Agreements of 2014 and 2015 sought to halt the war in eastern Ukraine through ceasefires and political reforms, but repeated violations left the accords unenforced and the conflict unresolved.

Russia armed and backed separatists in Eastern Ukraine while denying involvement

Throughout the Donbas conflict, Russia covertly supplied weapons, training, and troops to separatist forces in eastern Ukraine, even as the Kremlin publicly denied direct involvement in the fighting.