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

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.

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.

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 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...

Explore a multimedia timeline of Communism’s global rise and collapse

This timeline from The Washington Post traces the spread of Communism—from revolutions and Cold War flashpoints to movements in China, Cuba, Korea, and Vietnam—using archival photos and key moments to chart the ideology’s dramatic ascent and worldwide decline.

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.

The Soviet Union explained

From 1922 to 1991, the Soviet Union spanned one-sixth of Earth’s landmass and housed nearly 300 million people. As the most significant test of Marxist governance, it sat at the center of the century’s defining struggle between capitalism and communism.

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.

Hear the story of a cosmonaut stranded in space after the Soviet Union collapsed

When the USSR dissolved in 1991, cosmonaut Sergei Krikalev was still aboard a space station—forcing him to remain in orbit for months longer than planned. This limited podcast series recounts the event, hosted by astronaut and pop star Lance Bass.

Explore 1,500 Soviet propaganda posters showcasing the USSR’s visual cultu

This extensive gallery curated by Ben Perry features nearly 1,500 Socialist Realist posters. The images celebrate agriculture, industry, and cultural life, condemn fascism and capitalism, and glorify leaders like Lenin and Stalin through bold colors, striking typography, and classic Soviet design.

How organized crime took over post-Soviet Russia

After more than seven decades of Soviet communism, the collapse of the system in the early 1990s opened a path for organized crime to take over the country's newly-privatized industries. As Vladimir Putin centralized power in the subsequent decades, he did not vanquish the mafia, but rather tamed it. This long read explores the subtle, complex ways organized crime flourishes within Putin's state.

Gulags were a vast network of Soviet forced-labor camps under Stalin

The USSR’s gulag system imprisoned millions in harsh, often deadly conditions from the 1930s to the 1950s. This resource features an interactive map that shows the locations of individual camps and includes stories of those who were imprisoned.

See the “Miracle on Ice” through the eyes of a Soviet player

In this video, hockey legend Slava Fetisov reflects on the USSR’s powerhouse teams, his experience in the 1980 Olympic loss to the US, and his later move to the NHL—where Russian players became dominant forces.

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

After the rapid collapse of the Soviet Union, Ukraine was left with over 1,700 nuclear warheads positioned throughout its territory. A massive global effort ensued, led by the United States, to return these and other nuclear weapons in former Soviet allied states to Russia.

The mysterious details of Stalin's death

The 73-year-old dictator of the Soviet Union died March 5, 1953, officially from a stroke, on top of nearly a decade of significant medical issues. But evidence suggests the longtime leader might have been poisoned less than a week before at an intimate gathering of Stalin's closest confidantes and advisors. Explore the current evidence for Stalin's alleged murder here.

Watch an animated, step-by-step reconstruction of the Chernobyl explosion

This video shows how a 1986 safety test at Chernobyl spiraled out of control—leading to a massive rise in temperatures, an explosion and reactor meltdown that produced the largest civilian nuclear disaster in history.

After it was banned from Eurovision, Russia resurrected its Cold War-era version

Russia was barred from the Eurovision Song Contest following its 2022 invasion of Ukraine. In 2025, President Vladimir Putin announced the revival of Intervision, a similarly structured song contest that the Soviet Union had organized throughout the Cold War.

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.

An interactive visualization tracking 25 years of US-North Korea nuclear negotiations

From 1990 to 2017, the United States and North Korea engaged in a complex series of bilateral and multilateral negotiations. This interactive page, compiled by CSIS Beyond Parallel, displays a record of provocations and negotiations between the two...

Hear from people who experienced Germany's unification in 1990

What was it like to see Germany's fractured halves reunite in 1990? Explore eyewitness accounts of the reunification of Germany and the fall of the Berlin Wall in this collection of artist and resident interviews. The Berlin Wall sundered the city...

Hitler's 1941 invasion of the USSR doomed Nazi Germany

Hitler unleashed Operation Barbarossa on June 22, 1941, underestimating Soviet resilience, Russian winter, and logistics. His overconfidence—rooted in early victories like France—turned this campaign into a strategic catastrophe, shifting the war’s momentum irreversibly—often cited as his greatest blunder.

See the results of all 59 presidential elections from 1789 to 2024

This interactive tool lets users explore the outcomes of every US presidential election from George Washington's uncontested 1789 victory through 2024, showing how electoral votes, state results, and shifting coalitions shaped each race.

Explore a NASA timeline of the entire Voyager mission

This infographic leads users through the entire Voyager mission timeline, starting at its conception and moving through launch, to each destination, and finally, the Voyagers' crossing into interstellar space.

Explore the countries with a federal system—and see how they work

This resource from the Forum of Federations catalogs the world's federal countries. It provides background information on each, including the emergence of federalism, the division of power, and the practical interaction between national and regional governments.

How the internet became the World Wide Web: a visualization

The internet was officially born in 1983 and had more than 150 million global users by 1997, creating an international web of seemingly separate networks. This data visualization shows the growth of the internet from 1997 to 2021. Data in this...

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

Watch contemporary footage covering the US-backed Shah of Iran fleeing the country in the face of the 1979 Iranian Revolution

The United States has had a tumultuous relationship with Cuba since its 1959 revolution, highlighted by a nuclear crisis and a decades-long trade embargo.

Explore our favorite visualization of the immense scale of space, from an astronaut to the size of the observable universe

See the most iconic photos from four decades of LIFE magazine

Before humans, the Soviet Union and the United States sent animals—including apes, dogs, and cats—to space during the Space Race.

Visualize the path of every solar eclipse from 1900 to 2099 and see what each looks like when observed from different locations on Earth.

Discover the catastrophic consequences of a failure of the US electrical grid—something that is more likely than many Americans think.

Stanford built a Google Maps for the Roman Empire, revealing how much it cost to travel in the ancient world

'Shogun,' a 1980s TV series, helped popularize sushi in the US by stimulating an American interest in Japanese culture.

In 1945, Surrealist artist Salvador Dalí and legendary animator Walt Disney began collaborating on a short film that was not completed until 2003, years after both men had died.

In 2026, Finland was named the world's happiest country for the ninth consecutive year based on its wealth, social safety network, and high life expectancy, among other factors.

Neutron stars, the remains of some massive stars after they explode in a supernova, are the densest directly observable objects in the universe.

Famed poet TS Eliot rejected the manuscript for George Orwell's political fable 'Animal Farm,' writing that its criticism of authoritarianism was not 'the right point of view.'

In 1963, a basement renovation in Turkey revealed a passageway to a hidden, multilevel underground city that once housed as many as 20,000 people

The name 'Silicon Valley' arose from the founding of Shockley Semiconductor Laboratory in Fairchild Semiconductor in 1956-57, founded near Stanford University in Palo Alto

Volcanic activity may have triggered the Black Death by spewing gases that led to crop failures in Europe, thus forcing the import of grain ships with plague-infested fleas.

In 2009, the nation was gripped by the story of a missing young boy who was believed to be floating over Colorado in a homemade balloon, until it was revealed that he was at home the whole time.

See the evolution of Ebola vaccine and treatment development.

Alzheimer's can lead to brain shrinkage, with an average of around 2% of volume reduction per year

The USPS spent $3.97B in 2024, accounting for .058% of the federal budget.

In preparation for this weekend's Eurovision finale, which is something like the World Cup of pop music, here's a young Céline Dion performing (for Switzerland?) at the 1988 competition.

Search a massive database of over 4 decades of clues from the TV quiz show 'Jeopardy!'

See how fireworks are made and learn how metals like magnesium and copper are responsible for different colors.

Trace how the Bill of Rights, inspired by centuries of political theory, took shape between 1774 and 1789.