Alexei Leonov completes the first spacewalk

The Soviet government announced it would dismantle and withdraw missiles from Cuba under a U.S. pledge not to invade the island. Cuba was not included as an equal party in the public settlement and...

Tereshkova orbited Earth aboard Vostok 6, making a major contribution to spaceflight and the public image of Soviet gender equality. Women remained underrepresented in technical leadership, and the...

The Soviet Union, United States, and United Kingdom signed a treaty banning nuclear tests in the atmosphere, outer space, and underwater. The agreement reduced some forms of radioactive fallout but...

The Central Committee accepted Khrushchev’s resignation after senior party officials organized his removal. The episode ended the most visible reform period since Stalin’s death and reaffirmed elite...

The Central Committee selected Brezhnev as First Secretary after Khrushchev’s removal. A collective leadership was announced, but the transition began a more cautious political period and limited...

The September plenum approved reforms that gave enterprises greater discretion over some production decisions and used profit and sales indicators. The changes sought to address planning bottlenecks...

After the 1965 India-Pakistan war, leaders Lal Bahadur Shastri and Ayub Khan signed a Soviet-mediated declaration committing to withdraw forces and restore relations. The agreement shows a...

The congress consolidated the leadership that followed Khrushchev and adopted a new five-year plan. It signaled a more cautious political period while retaining a language of equality among the...

A major earthquake struck the Uzbek capital, destroying much of the old city and displacing residents. The state-led reconstruction brought resources from across the USSR but also reshaped...

The General Assembly adopted the International Covenant on Civil and Political Rights and the International Covenant on Economic, Social and Cultural Rights. The USSR took part in the universal rights...