Timeline of the Boko Haram insurgency is the chronology of the Boko Haram insurgency, an ongoing armed conflict between Nigerian Islamist group Boko Haram (including their offshoot Ansaru) and the Nigerian government. Boko Haram have carried out many attacks against the military, police and civilians since 2009, mostly in Nigeria. The low-intensity conflict is centred on Borno State. It peaked in the mid 2010s, when Boko Haram extended their insurgency into Cameroon, Chad and Niger. Religious violence before the insurgency 2000 21 February – 23 May – 2000 Kaduna riots – Between 1,000 and 5,000 people are killed in sectarian rioting between Christians and Muslims in Kaduna State following the introduction of Sharia law into that state.2001 7–17 September – 2001 Jos riots – Nearly 1,000 people are killed following sectarian rioting between Christians and Muslims in Jos, Plateau State.2002 20–23 November – Miss World riots...