The Treaty of Jeddah (1927) marked the British recognition of the sovereignty of the Kingdom of Hejaz and Nejd, laying the groundwork for the modern state of Saudi Arabia.
The Treaty of Jeddah, signed on May 20, 1927, was a pivotal agreement between the United Kingdom and Abdulaziz Ibn Saud, the ruler of the Kingdom of Hejaz and Nejd. This treaty marked the formal recognition by the British of the sovereignty of Ibn Saud's territories, which would later become the Kingdom of Saudi Arabia. The treaty was significant in that it represented a shift in British policy towards the Arabian Peninsula, acknowledging the growing power and influence of Ibn Saud. The agreement allowed for the establishment of diplomatic relations and set the stage for future cooperation between the two entities. By recognizing Ibn Saud's rule, the British aimed to stabilize the region and secure their strategic interests, particularly in relation to the security of their colonial possessions and the protection of trade routes. The Treaty of Jeddah thus played a crucial role in shaping the political landscape of the Middle East in the early 20th century, influencing the balance of power and laying the foundation for the emergence of Saudi Arabia as a key player in regional and global affairs.
Chapters
Timeline
1924-10-13
Fall of the Hashemite Kingdom
The Hashemite Kingdom of Hejaz fell to the forces of Ibn Saud, marking a significant shift in the power dynamics of the Arabian Peninsula and paving the way for the Treaty of Jeddah.
1926-01-08
Capture of Mecca
Abdulaziz Ibn Saud captured the holy city of Mecca, solidifying his control over the Hejaz region and setting the stage for the eventual recognition of his sovereignty by the British.
1927-03-01
Commencement of Negotiations
Negotiations for the Treaty of Jeddah began in March 1927, with representatives from the British government and the Kingdom of Hejaz and Nejd meeting in Jeddah to discuss terms.
1927-05-15
Breakthrough in Negotiations
A breakthrough in negotiations was achieved when the British agreed to recognize Ibn Saud's sovereignty, paving the way for the finalization of the treaty.
1927-05-20
Treaty of Jeddah Signed
The Treaty of Jeddah was signed on May 20, 1927, marking the formal recognition of the Kingdom of Hejaz and Nejd by the British government. This agreement laid the foundation for future diplomatic relations and cooperation between the two entities.
1927-06-01
Establishment of Diplomatic Relations
Following the signing of the Treaty of Jeddah, diplomatic relations were formally established between the United Kingdom and the Kingdom of Hejaz and Nejd.
1929-01-01
Ikhwan Revolt
The Ikhwan Revolt, a rebellion by tribal forces against Ibn Saud's rule, tested the stability of the newly established kingdom and highlighted the challenges of unification.
1932-09-23
Formation of Saudi Arabia
The Kingdom of Hejaz and Nejd was officially renamed the Kingdom of Saudi Arabia, marking the culmination of Ibn Saud's efforts to unify the Arabian Peninsula.
1938-03-03
Discovery of Oil
The discovery of oil in Saudi Arabia transformed the kingdom's economy and solidified its position as a major player in global energy markets.
1953-11-09
Death of Ibn Saud
Abdulaziz Ibn Saud passed away, leaving behind a legacy of unification and modernization that had a lasting impact on the region and the world.
Connected Across The Archives
Explore specific connections to other archives—civilizations, conflicts, dynasties, and companies that share history with this treaty.

Civilization Archive
(3)Abbasid Civilization
The Treaty of Jeddah, amid the Abbasid Caliphate's historical influence, marked a shift in Middle Eastern power dynamics during British-Saudi negotiations.
Achaemenid Persian Empire
The Achaemenid Empire's legacy of centralized governance influenced Middle Eastern political structures, shaping the context for the Treaty of Jeddah.
Ottoman Empire
Signed as the Ottoman Empire waned, the Treaty of Jeddah redefined regional control, impacting Saudi-British relations and Middle Eastern geopolitics.
