Sources: Al Jazeera
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 arrests four foreigners in the disputed border region with South Sudan on accusations of spying. 2012-04-29
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
Fighting in Sudan's South Kordofan state between northern and southern-allied rebels kills six people. 2011-06-7
Almost 100 civilians are killed in the disputed Abyei region between North and South Sudan since northern troops seized the area on 21 May. 2011-06-2
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