sudan flag of the sudan the flag of sudan was adopted on may 20 1970 and consists of a horizontal red white black tricolor with a green triangle at the hoist the flag is based on the arab liberation flag shared by egypt iraq syria and yemen that uses a subset of the pan arab colours in which green is less significant before the 1969 military coup of gaafar nimeiry a blue yellow green tricolour design was used 2b01b5r.jpg from xnx sudan 🇸🇩 xan View Photo