Expanded History
History of Bahrain
From antiquity to the modern era — the historical eras, key events, and narrative that shaped Bahrain.
Overview
Historical Eras
The major periods of {country}’s history at a glance.
Ancient Dilmun
3000 BCE – 300
Bahrain formed the heart of the ancient Dilmun civilization, one of the oldest trading cultures in the Persian Gulf, mentioned in Sumerian texts as a sacred land and commercial hub linking Mesopotamia with the Indus Valley. The archipelago's freshwater springs and strategic location made it a prosperous entrepôt. Dilmun later came under Kassite, Assyrian, and eventually Greek influence following Alexander the Great's campaigns.
Persian & Islamic Eras
300 – 1521
Bahrain passed through Sasanian Persian control before the rapid spread of Islam incorporated the islands into the Arab-Muslim world in the 7th century CE. The region became a center of the Qarmatian movement, a radical Ismaili sect that established a powerful state in the 9th–10th centuries and briefly disrupted hajj routes. Subsequently, Arab tribal confederacies and Persian governors contested control, while pearl diving and Gulf trade sustained the local economy.
Portuguese Rule
1521 – 1602
Portuguese forces seized Bahrain in 1521, incorporating it into their Indian Ocean commercial empire and constructing the fortified Qal'at al-Bahrain as a garrison. Their rule was marked by heavy taxation of the lucrative pearl trade and periodic local resistance. In 1602, Safavid Persian forces under Shah Abbas I expelled the Portuguese and reasserted Persian sovereignty over the archipelago.
Safavid & Al Khalifa Rise
1602 – 1820
Bahrain remained under Safavid and later Omani and competing tribal control for much of the 17th and early 18th centuries. In 1783, the Bani Utbah confederation led by the Al Khalifa family decisively expelled the Persian-backed rulers and established the dynasty that governs Bahrain to the present day. The early Al Khalifa period was defined by inter-Gulf rivalries, pearling wealth, and shifting alliances among the major powers of the region.
British Protectorate
1820 – 1971
A series of treaties beginning in 1820 and culminating in an 1880 exclusive agreement drew Bahrain firmly into the British sphere of influence, effectively making it a protectorate. Britain managed Bahrain's foreign affairs and defense while the Al Khalifa ruled internally; oil was discovered in 1932, transforming the economy. The 1913 treaty formally recognized Bahrain's distinct status, and Iran renounced its long-standing sovereignty claim in 1970, clearing the path for full independence.
Independent Kingdom
1971 – present
Bahrain declared full independence on August 15, 1971, signing a friendship treaty with Britain and joining the Arab League and United Nations. The country navigated regional turbulence — including participation in the 1991 Gulf War coalition and Shia-Sunni sectarian tensions — while diversifying its economy into banking and petroleum refining as oil reserves declined. In 2002, Amir Hamad bin Isa Al Khalifa proclaimed Bahrain a constitutional monarchy, introduced parliamentary elections, and extended voting rights to women.
Timeline Preview
The first 7 key events. View the full chronology on the timeline page.
1913
Treaty recognizing the independence of Bahrain
Britain and the Ottoman government sign a treaty recognizing the independence of Bahrain but the country remains under British administration.
1961
Sheikh Isa Bin-Salman Al Khalifah becomes ruler of Bahrain.
Sheikh Isa Bin-Salman Al Khalifah becomes ruler of Bahrain.
1970
Iran renounces its claim to sovereignty over Bahrain
Iran renounces its claim to sovereignty over Bahrain after a United Nations report shows that Bahrainis want to remain independent.
1971
Bahrain declares independence and signs a new treaty of friendship with Britain.
Bahrain declares independence and signs a new treaty of friendship with Britain.
1972
Elections are held for a Constituent Assembly
Elections are held for a Constituent Assembly.
1973
Constitution comes into force and elections are held
After the constitution comes into force on 6 December, elections are held on 7 December for a National Assembly, an advisory legislative body, with 44 members (14 cabinet members and 30 elected by male voters) .
1991
Bahrain participates in the coalition “Operation Desert Storm” against Iraq.
As part of the Gulf Cooperation Council (GCC) Peninsula Shield Force, Bahrain participates in the coalition “Operation Desert Storm” against Iraq (the Gulf War).

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