South Sudan Flag
The flag of South Sudan is older than the country itself, as the flag was adopted in 2005, while the country became independent in 2011.
The flag of South Sudan was adopted following the signing of the Comprehensive Peace Agreement that ended the Second Sudanese Civil War. A similar version of the flag was previously used as the flag of the Sudan People's Liberation Movement.
The flag bears striking similarities with both the flags of Sudan and Kenya. It shares the black, white, red, and green of the Sudanese flag (although different symbolism is given to each of the colours), in addition to having a chevron along the hoist. The horizontal black, white, red, and green bands of the flag share the same design as the Kenyan flag, and the Pan-African symbolism thereof. Another main difference between the flags of Sudan and South Sudan is that there is a yellow star inside the blue triangle that represents the unity of South Sudan.
In an illustration of the contrasting regional orientation of the two Sudans, the flag of Sudan shares the stripes of the Egyptian flag, while the flag of South Sudan shares the stripes of the Kenyan flag. Wikipedia