Sources: Al Jazeera
2012 South Sudan–Sudan border conflict: Sudan and South Sudan restart talks to avoid war amid accusations of bombing raids. 2012-05-29
A Sudanese air strike hits the South Sudanese state of Unity, injuring four soldiers in a contested area. 2012-02-14
South Sudan accuses neighboring Sudan of "stealing" its oil exports. 2012-01-15
North and South Sudan agree to demilitarise the disputed Abyei region. 2011-06-13
North Sudan dismisses calls by the United Nations Security Council to leave the disputed Abyei region on the border with South Sudan. 2011-06-4
The United Nations claims that about 20,000 people have fled the Abyei region for Agok in Southern Sudan after Sudanese forces took control. 2011-05-24
Southern Sudan chooses to become independent of Sudan with over 99% voting yes in the referendum. 2011-01-30
Almost 99% of South Sudanese voted for independence from the north in a referendum according to official figures. 2011-01-21
Southern Sudanese leader Salva Kiir calls on the people of South Sudan to forgive the north for killings during the civil war. 2011-01-16