Boko Haram insurgency insurgency spread to neighboring Cameroon, Chad, and Niger thus becoming a major regional conflict. In 2015, a coalition offensive forced Boko Haram to retreat into the Sambisa Forest. The insurgency took place within the context of long-standing issues of religious violence between Nigeria's Muslim and Christian communities. Boko Haram has been called the world's deadliest terrorist group, in terms of the number of people it has killed. Nigeria was amalgamated both the Northern and Southern protectorate in 1914, only about a decade after the defeat of the Sokoto Caliphate and other Islamic states by the British which were to constitute
2009 Boko Haram uprising and a fire safety officer both were killed. Police engaged the fighters and wounded several. Police arrested 23 fighters after the battle. According to Nigerian sources, 43 Boko Haram fighters were killed in a shootout near the city on 30 July. Three people were killed in an attack in Wudil, and police forces made more than 33 arrests. Wudil's senior police officer was injured. 2009 Boko Haram uprising The 2009 Boko Haram uprising was a conflict between Boko Haram, a militant Islamist group, and Nigerian security forces. Violence across several states in northeastern Nigeria resulted in more than 1,000 dead,