19 June 2011
2002 ‑ Group is founded in
Maiduguri, by Ustaz Mohammed Yusuf. In 2004, he sets up a base camp in neighbouring Kanamma, Borno State Yobe State, called " " where only Arabic is allowed spoken. Afghanistan
July 26, 2009 - First major violence traced to Boko Haram breaks out in Bauchi. According to Moses Anegbode, an Assistant Inspector-General of police, about 39 members of Boko Haram are killed in a shoot-out with police with 15 injured and 176 arrested. A Nigerian Army Lance Corporal and two police officers are killed as well.
July 27, 2009 - Close to 800 people are confirmed killed in a spate of Boko Haram violence in Bauchi,
Kano, Yobe and . Borno States
July 30, 2009- Mohammed Yusuf, Boko Haram founder and spiritual leader, is shot dead in police custody.
August 3, 2009 - According to senior state government official, members of Boko Haram are caught with bomb-making equipment weeks before an uprising in which close to 800 people are killed across four cities in
's north east. Nigeria
August 3, 2009 - Security forces discover a Boko Haram training camp in Biu, 220km (140 miles) south of
, arresting several suspected Boko Haram followers and seizing bomb-making equipment. Maiduguri
August 3, 2009 - One week after discovery of bomb, a man is killed and another blows his leg off trying to make a home-made bomb at a house in
January 2010 - Hundreds are reported killed after clashes between Muslim and Christian gangs in Jos, mostly by gunfire. Police estimate death toll at 326; community leaders put figure at over 400.
March 2010 - Hundreds are killed in clashes between Islamic pastoralists and Christians in the mostly Christian villages of Dogo Nahawa, Zot, and Ratsat located south of Jos. According to
commissioner for information, Gregory Yenlong, casualty figures are over 300. Plateau State
September, 2010 - The sect attacks Bauchi Prisons with explosives, setting the place ablaze and freeing 700 inmates.
December 2010 - At least 80 people are killed in Christmas Eve bombings as well as in clashes two days later between Muslim and Christian youth in the central Nigerian city of Jos. (As of December 27, at least 101 people were being treated for injuries.)
January 28, 2011 ‑ Boko Haram assassinates gubernatorial candidate Modu Fannami Gubio, along with his brother and four police officers.
February 8, 2011 ‑ Boko Haram gives conditions for peace: Borno State Governor, Senator Ali Modu Sheriff, must step down from office with immediate effect and the return of their mosque in
Mar 3, 2011 - Three people are killed and 21 injured by an explosive device thrown from a car at an election rally near
Nigeria's capital, . Abuja
April 8, 2011 - Bombing of office of electoral body in Suleja kills 11 persons, disrupting conduct of election.
April 9, 20011 - An explosion hits a polling booth in a neighbourhood of the northeast Nigerian city of
during a parliamentary election. Maiduguri
April 16, 2011 - A police station in the Lami Sula district of Maiduguri, which lies in the remote state of Borno near
Nigeria's borders with Chad, Cameroun and , is bombed. Niger Republic
April 16, 2011 - Bomb explosion occurs in two separate areas of
metropolis on the night of the presidential election in the state. Kaduna
April 20 ‑ Boko Haram kills Muslim cleric and ambush several police officers in
April 25, 2011 - Three bomb blasts rip through a hotel and a motor park in
killing at least two persons. Maiduguri
May 9 2011 ‑ Boko Haram rejects offer of amnesty made by
governor-elect, Kashim Shettima. Borno State
May 28, 2011 - Boko Haram militants sack Damboa Divisional Police Station in
, killing three police officers and two civilians. Maiduguri
May 29, 2011 - 13 people are confirmed dead and 40 injured in Sunday night blast at mammy market located in Shandawanka Barracks, Bauchi, the
capital. Bauchi State
May 31, 2011 - Bomb explosion near bank along
Baga Road in
Maiduguri, the capital Borno State
Baga Road in
June 16, 2011 ‑ In its most ambitious foray yet, Boko Haram carries out massive bomb attack on Force Headquarters (also known as Louis Edet House), Abuja, targeted at the Inspector General of Police. Officials believe it is the first suicide bombing in
's history. Nigeria