The Treaty of Saint Petersburg of 23 September [O.S. 12 September] 1723 concluded the Russo-Persian War of 1722β1723 between the Russian Empire and Safavid Iran. It ratified Iran's forced ceding of its territories in the North Caucasus, South Caucasus, and contemporary mainland Northern Iran, comprising Derbent (Dagestan), Baku, the respective surrounding lands of Shirvan, as well as the provinces of Gilan, Mazandaran, and Astarabad. The treaty further specified that the Iranian shah would receive Russian troops for domestic peacekeeping.
Iran and Russia sign the treaty of Saint Petersburg. Iran is forced to cede all lands on the western and southern coast of the Caspian Sea and Russia pledges to provide military support against the Ottoman Empire.
On September 12, in the year 1723, Iran and Russia sign the treaty of Saint Petersburg. Iran is forced to cede all lands on the western and southern coast of the Caspian Sea and Russia pledges to provide military support against the Ottoman Empire. This event is recorded as a Historical Events event in the history of September 12, one of 434 recorded events on this date across all of history.
Key Facts
- This event took place on September 12, 1723 (AD era).
- It is categorised as a Historical Events event in recorded history.
- Referenced in 3 Wikipedia articles.
- Wikipedia source last updated on 16 February 2026.
On This Date in History 434
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
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