U N Member Flag Adopted August 1972 Flag Proportion: 3:5 Capital: Manama Language: Arabic Currency: Bahrain Dinar Continent: Asia The flag of Bahrain was initially adopted in 1933, but wasn’t officially confirmed until August of 1972.  The original design consisted of a red flag with a white vertical stripe on the hoist side.  The serrated line was added in 1933 to differentiate this flag from others.  On the first version the line formed eight triangles, but this was later reduced to five, and these five triangles are considered symbolic of the five pillars of Islam.