Mossadegh overthrown in a Western-backed coup

The Majlis declared the proposed joint Iranian–Soviet oil agreement null and void and barred new foreign oil concessions under the adopted law. Parliamentary rejection asserted control over...

More than 100 leaders and prominent members left Tudeh amid disputes following the Azerbaijan crisis and the failed Soviet oil project.

Tudeh convened its second congress in Tehran and strengthened its Leninist organization after the postwar setbacks.

At its seventh-anniversary celebrations, Tudeh leaders condemned Tito’s split with Stalin and reaffirmed their loyalty to the Soviet Union.

An attempt to assassinate Mohammad Reza Shah was followed by the banning of Tudeh and affiliated organizations, driving the Soviet-linked party underground.

Iran and the USSR signed a settlement of border disputes and mutual financial claims from World War II, creating a legal basis for more predictable relations.

Iran deposited its accession instruments for the Baghdad Pact. Western security alignment increased tension with Moscow, which opposed Iran’s participation.

Mohammad Reza Shah and Queen Soraya arrived in Moscow for a state visit, showing that Western alignment still allowed direct diplomacy with the Soviet leadership.

Iran and the USSR signed a treaty on their frontier regime and procedures for investigating and settling border disputes and incidents.

Iran and the USSR agreed on equal shares of frontier river water and power resources and joint studies for irrigation and electricity projects on the Aras and Atrak.