Yuri Andropov becomes CPSU General Secretary

The congress endorsed continuity under Brezhnev and a new five-year plan, even as economic stagnation and pressures across the socialist bloc deepened. Official unity masked differences among...

General Wojciech Jaruzelski’s government suspended civil liberties, arrested Solidarity leaders, and restricted communications. The crackdown was carried out by Polish authorities under intense Soviet...

During a strike against martial law, Polish security forces shot miners at the Wujek coal mine, killing nine. The killings expose the coercion used by the Polish state to suppress worker resistance.

With members imprisoned, exiled, or threatened, the group announced it could no longer operate safely. Its records and monitoring practice had already connected local rights claims to the Helsinki...

Brezhnev’s death ended an eighteen-year period of leadership. The succession occurred amid economic slowdown, a costly war in Afghanistan, and growing questions about the social contract and political...

The Soviet Union signed UNCLOS on the day it opened for signature. The convention set rules for maritime zones and the seabed, a major issue for coastal and island states whose claims had shaped...

A Soviet interceptor destroyed a civilian airliner that had strayed into Soviet airspace, killing all 269 people aboard. Moscow’s initial secrecy and denial compounded the loss and intensified...

A Soviet early-warning system indicated a U.S. missile launch; duty officer Petrov judged it a false alarm rather than escalating the alert. The incident shows how nuclear risk depended on human...

The annual command-post exercise practiced nuclear release procedures during a period of acute mistrust. Declassified records show Soviet intelligence closely watched it; historians debate the scale...

After NATO began deploying U.S. intermediate-range missiles in Europe, the Soviet delegation left the talks. The arms-control breakdown heightened fear among European communities living under the...