Konstantin Chernenko is chosen as General Secretary

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...

Warsaw Pact states declined to set a resumption date for negotiations on mutual troop reductions in Europe. The suspension narrowed a major arms-control forum during a period of heightened nuclear...

Andropov died after a short and often illness-interrupted tenure. His government’s limited discipline campaign did not resolve deeper economic problems or the war in Afghanistan.

The USSR cited security concerns and alleged anti-Soviet hostility as reasons for non-participation. The boycott was retaliatory in the context of the 1980 Moscow boycott and again made athletes carry...

The Reagan administration proposed meetings in September to discuss resuming negotiations on strategic and intermediate-range nuclear weapons and antisatellite arms. The proposal came after years of...

The Games proceeded amid a Soviet-led boycott by the USSR and several aligned states. Athletes who were absent lost an opportunity to compete, while hosts and organizers framed the event as a...

Chernenko’s death ended another brief leadership tenure and accelerated a generational transition at the top of the CPSU. The Soviet Union faced stagnation, a costly Afghan war, and loss of confidence...

The Central Committee chose Gorbachev, the youngest Soviet leader in decades. He inherited an empire-wide system marked by economic problems, national inequalities, restricted public debate, and a war...