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Sudan gained their independence form the British and Eygpt.
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Civil war led by the southern separatist Anya Nya movement begins with north.
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Group of socialist and communist Sudanese military officers led by Col Jaafar Muhammad Numeiri seizes power; Col Numeiri outlines policy of autonomy for south.
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Government of Sudanese President Jaafar Numeiri concedes a measure of autonomy for southern Sudan in a peace agreement signed in Addis Ababa.
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South Sudan discovered oil in Unity State.
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Fighting breaks out again between north and south Sudan,after Sudanese President Jaafar Numeiri abolishes South Sudan's autonomy.
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North/South Comprehensive Peace Agreement (CPA) ends civil war; deal provides for a permanent ceasefire, autonomy for the south, a power-sharing government involving rebels in Khartoum and a south Sudanese referendum on independence in six years' time.
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Autonomous government is formed in South Sudan, in line with the January 2005 peace deal. The administration is dominated by former rebels.
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Intense fighting breaks out between northern and southern forces in disputed oil-rich town of Abyei.
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orth and south Sudan say they accept ruling by arbitration court in The Hague shrinking disputed Abyei region and placing the major Heglig oil field in the north.
