Sources: Al Jazeera
Sudan's President Omar al-Bashir visits South Sudan for the first time since the country won its independence in 2011 to meet with President Salva Kiir. 2013-04-12
Security officials in Sudan arrest three Catholic aid workers and close down the office of Caritas in South Darfur as the three were traveling to South Sudan. 2012-04-24
Sudanese forces advance on the town of Heglig that is occupied by South Sudanese forces during days of cross-border clashes. 2012-04-14
Four Zambian peacekeepers are shot and injured after their convoy comes under attack by suspected armed tribal groups in the disputed border area between Sudan and Southern Sudan. 2011-05-11
Almost 99% of South Sudanese voted for independence from the north in a referendum according to official figures. 2011-01-21
The United Nations says thousands of people are arriving in Southern Sudan from north Sudan ahead of the independence referendum on Sunday. 2011-01-7
Sudanese President Omar al-Bashir goes to Juba to meet with Southern Sudanese President of the Government Salva Kiir Mayardit ahead of Southern Sudan's independence referendum. 2011-01-4
The Constitutional Court in Sudan agrees to hear a petition by lawyers for the dissolution of the body organising the referendum on Southern Sudan's independence. 2010-12-15
A northern Sudanese plane bombs Southern Sudan, injuring several people, and the UN sends an assessment team to the area. 2010-11-14