| 25 August 1941 |
Iran
|
Iran 40 day war
|
British and Soviet forces invade and occupy Iran
|
| 25 August 1941 |
Iran
|
Russia Iran relations
|
British and Soviet forces invade neutral Iran
|
| 26 June 1941 |
Iran
|
Russia Iran relations
|
Soviet pressure begins over Germans in Iran
|
| 25 March 1940 |
Iran
|
Russia Iran relations
|
Iran and the USSR conclude a commerce and navigation treaty
|
| 27 August 1935 |
Iran
|
Russia Iran relations
|
A new treaty regulates Soviet-Iranian commerce and navigation
|
| 21 March 1935 |
Iran
|
Iran 40 day war
|
Iran asks foreign governments to use the name Iran
|
| 28 May 1933 |
Iran
|
Iran 40 day war
|
Majlis ratifies a revised Anglo-Persian oil concession
|
| 27 October 1931 |
Iran
|
Russia Iran relations
|
Iran and the USSR sign a Caspian navigation convention
|
| 1 October 1927 |
Iran
|
Russia Iran relations
|
Caspian fisheries agreement creates a joint company
|
| 1 October 1927 |
Iran
|
Russia Iran relations
|
Iran and the USSR sign a guarantee and neutrality treaty
|
| 12 December 1925 |
Iran
|
Iran 40 day war
|
Majlis ends Qajar rule and establishes the Pahlavi dynasty
|
| 3 July 1924 |
Iran
|
Russia Iran relations
|
Iran and the Soviet Union sign a trade treaty
|
| 25 April 1923 |
Iran
|
Russia Iran relations
|
Iran and Soviet Russia sign a postal convention
|
| 15 December 1921 |
Iran
|
Russia Iran relations
|
Majlis authorizes the friendship treaty exchange
|
| 12 December 1921 |
Iran
|
Russia Iran relations
|
Soviet envoy clarifies the intervention clauses
|
