Law on the State Enterprise is adopted

A reactor accident released radioactive materials across Ukraine, Belarus, Russia, and beyond. The evacuation and cleanup exposed residents and workers to serious risk, while secrecy delayed public...

After radiation alarms in Sweden and reports abroad, Soviet news briefly acknowledged an accident. The delay and lack of detail eroded trust among communities facing exposure and demonstrated the...

In his televised address, Gorbachev discussed the accident after nearly three weeks of limited public disclosure. His speech did not erase the consequences of delayed evacuation and uneven access to...

After years of confinement in Gorky, physicist and dissident Andrei Sakharov was allowed to return to Moscow. His release signaled a change in political climate while leaving many political...

Gorbachev called for democratization within the party and greater competition in elections. The proposals widened public debate but kept reform under party leadership and did not yet establish...

Gorbachev and Reagan signed a treaty eliminating an entire class of intermediate-range nuclear missiles. European publics had campaigned against deployments; verification and superpower bargaining...

The regional council voted to seek transfer from the Azerbaijani SSR to the Armenian SSR. The demand reflected Armenian residents’ political claims; it also heightened insecurity and competing...

Afghanistan and Pakistan signed agreements on non-interference and refugee return; the USSR and United States signed guarantees. The accords set a timetable for Soviet withdrawal but did not end...

The first phase of withdrawal followed the Geneva Accords. Afghan people continued to face war, displacement, and foreign intervention after Soviet troops began leaving.

The conference debated political reforms, including a new legislature and more competitive elections. These measures weakened the party’s monopoly in public life but left the Union’s national question...