Question: When did Omar al-Bashir, head of the National Congress, come to power?
Sentence (from "Omar al-Bashir"): He came to power in 1989 when, as a brigadier in the Sudanese Army, he led a group of officers in a military coup that ousted the democratically elected government of prime minister Sadiq al-Mahdi after it began negotiations with rebels in the south.
Relevant evidence: Yes