Bahrain's flag is a white band and a larger maroon field, split by a zigzag of five triangular points. Bahrain has changed its flag more often than most modern states, and each change tracked a shift in its politics: from a sheikhdom flying plain red banners, through a British protectorate, to a constitutional monarchy that counts out the pillars of Islam in geometry. The current version dates from 2002. The serrated edge began as a practical fix for a mundane problem, which was that too many Gulf flags looked alike.
Plain red, then a serrated edge
Bahrain's earliest known flags were plain red, the traditional color of the Kharijite Muslims of the Persian Gulf region. Across the Gulf, from Kuwait to Oman, variations of solid red cloth flew over dhows and forts for centuries. Red was simply the default. The trouble was that pirates flew red too.
The 1820 General Treaty of Peace between Britain and the Gulf Arab states settled that. The treaty required signatories to add white to their flags so British warships could tell friendly vessels from pirate ships at a distance. Bahrain adopted a red flag with a white stripe along the hoist. Simple enough, except that now half the Gulf looked the same.
By the mid-19th century, a serrated zigzag edge had appeared between Bahrain's white and red sections. The exact origin is debated. Some historians read it as a deliberate effort to make Bahrain's flag distinguishable from Qatar's and other Trucial States flags at sea, where squinting sailors needed to tell one emirate from another in seconds. Others suggest the zigzag was just a decorative local convention. Whatever its origin, it stuck.
The number of points on that line was anything but stable. Early versions had as many as 28, which produced a busy, almost sawtooth effect. In 1932, the British adviser Charles Belgrave helped formalize the flag during the protectorate era and standardized the design to eight points. His memoir, Personal Column, gives an insider's account of the period.
When Bahrain gained independence from Britain on August 15, 1971, no redesign followed. The flag carried on unchanged through the transition from protectorate to sovereign state.
Five points for five pillars: the 2002 redesign
The most recent change came in 2002, when Bahrain became a constitutional monarchy under King Hamad bin Isa Al Khalifa. The new king ordered a redesign that fixed the serrated edge at exactly five triangular points, one for each Pillar of Islam: Shahada (faith), Salah (prayer), Zakat (charity), Sawm (fasting), and Hajj (pilgrimage).
The color shifted too. Officially the red became maroon. Some sources treat this as a practical acknowledgment of reality, since the harsh Gulf sun had been fading Bahraini flags to a brownish maroon for generations. Others read it as a deliberate move to distinguish Bahrain from similar Gulf flags at international events. Either way, the maroon is now codified. Official government descriptions give the white section as peace and the maroon as blood shed in Bahrain's wars and struggles.
Proportions were standardized at 3:5, height to width, with the white band taking up roughly a third of the total width. Before that, Bahraini flags varied a good deal depending on who made them and where they were flown.
Bahrain, Qatar, and the Gulf flag family
Hold Bahrain's flag next to Qatar's and the kinship is obvious. Both have a serrated white-and-dark design, and both trace back to the same 1820 treaty obligation. Qatar's flag uses nine points, for its status as the ninth member of the "reconciled emirates" after the Qatari-British treaty of 1916, and its maroon is darker and more wine-colored than Bahrain's. From a distance, the two are genuinely hard to tell apart.
Confusion between them has been documented at international sporting events and diplomatic functions, and it fed the push for visual distinction in both countries. Abu Dhabi, Dubai, and the other Trucial States flags also came out of the same red-plus-white treaty framework, though most went in very different directions after the UAE formed in 1971.
Gulf flags are a family, then, shaped as much by British colonial diplomacy and maritime law as by internal national symbolism. The serrated edge that reads as distinctly Bahraini came out of a negotiation between an island kingdom and a naval empire thousands of miles away.
Protocol, variants, and the Royal Standard
Bahraini law requires the national flag to be treated with respect at all times, and desecration is a criminal offense. The flag flies on all government buildings and appears prominently during National Day celebrations on December 16 and 17, marking independence from Britain.
The Royal Standard of the King of Bahrain adds a golden crown and further ornamentation to the national design. Naval ensigns and military flags use the basic serrated layout with insignia specific to each branch.
Landmarks like the Bahrain World Trade Center are often lit in maroon and white on national holidays. In 2004, a flag measuring 169.5 by 97 meters was unfurled in Bahrain, briefly holding a world record for the largest flag ever displayed. That is roughly the size of four football pitches.
The flag in Bahraini culture
Since 2004, Bahrain's hosting of the Formula 1 Grand Prix has given the flag steady international visibility. It appears on Bahraini currency, on official seals, and throughout the national branding used for tourism and foreign investment.
Its meaning has also been contested. During the 2011 protests and political unrest, government supporters and opposition figures both waved the flag, each claiming its legitimacy from a different position. The Pearl Roundabout, once a focal point of demonstrations, featured the flag prominently before the monument was demolished and the site cleared. In the aftermath, the flag became further politicized, one design carrying very different messages depending on who held it.
Despite the many redesigns, the flag's essential character has held for nearly two centuries. That serrated meeting of white and maroon gives Bahrain one of the more distinctive silhouettes among world flags, identifiable at a glance and in a lineup of two hundred.
References
[1] Kingdom of Bahrain Government Portal, "National Symbols." Official description and specifications of the national flag. (https://www.bahrain.bh)
[2] Whitney Smith, Flags Through the Ages and Across the World (1975). Comprehensive vexillological reference covering Gulf flag histories.
[3] J.C. Lorimer, Gazetteer of the Persian Gulf, Oman and Central Arabia (1908-1915). British colonial-era records of Gulf state flags and treaties.
[4] The Flag Institute (UK), "Bahrain Flag Factsheet." Historical and protocol information on Bahrain's national flag. (https://www.flaginstitute.org)
[5] FOTW (Flags of the World), "Bahrain." Detailed historical entries on flag variants and changes. (https://www.crwflags.com/fotw/flags/bh.html)
[6] Charles Belgrave, Personal Column (1960). Memoir of the British adviser who helped formalize the flag in the 1930s.
[7] Bahrain Ministry of Information Affairs. Official flag protocol and National Day documentation.