Sources: Los Angeles Times
2012 South Sudan–Sudan border conflict: Tensions rise between the two nations as South Sudan accuses Sudan of attacking locations in its territory. 2012-05-1
Sudan says that after a battle South Sudan controls Heglig, its largest oil field. 2012-04-11
The People's Republic of China asks for assistance from South Sudan to obtain the release of 29 Chinese workers held captive in Sudan for five days. 2012-02-2
The United Nations High Commissioner for Refugees opens a new refugee camp in western Ethiopia for refugees from Sudan and South Sudan. 2011-10-8
Sudan and South Sudan sign a pact to demilitarise the disputed Abyei region and to permit the presence of Ethiopian peacekeeping forces. 2011-06-20
Sudan's military bombs a village in Unity State, amid increasing tensions with South Sudan. 2011-06-10
Fighting in Sudan's South Kordofan state between northern and southern-allied rebels kills six people. 2011-06-7
Officials from north Sudan and southern Sudan tentatively agree to a demilitarised border following recent tensions over the disputed Abyei border region. 2011-05-31
Southern Sudan chooses to become independent of Sudan with over 99% voting yes in the referendum. 2011-01-30
A northern Sudanese plane bombs Southern Sudan, injuring several people, and the UN sends an assessment team to the area. 2010-11-14