This flag is a former version of Bahrain.
White hoist stripe added
A white stripe was added to the earlier plain-red flag following the General Maritime Treaty.
Version from 1820
It was a plain red flag without a white stripe.
Serrated edge added
The flag’s straight division was changed to a serrated edge, commonly shown with 28 points.
Serration reduced to eight pointsThis flag
The number of points on the serrated division was reduced from 28 to eight.
Current five-point design adopted
The serration was reduced to five points, representing the Five Pillars of Islam.
