January 2- Boko Haram militants attack a bus in Waza, Cameroon, killing eleven people.
January 3—7 – Boko Haram militants raze the entire town of Baga. Bodies lay strewn on Baga’s streets with as many as 2,000 people having been killed.
January 3 – Fleeing villagers from a remote part of the Borno State report that Boko Haram had three days prior kidnapped around 40 boys and young men
January 5 – News emerges that two days prior hundreds of Boko Haram militants had overrun several towns in northeast Nigeria and captured the military base in Baga.
January 9 – Refugees flee Nigeria’s Borno State following the Boko Haram massacre in the town of Baga. 7300 flee to neighbouring Chad while over 1,000 are trapped on the island of Kangala in Lake Chad. Nigeria’s army vows to recapture the town, while Niger and Chad withdraw their forces from a transnational force tasked with combating militants.
January 10 – A female suicide bomber, believed to be aged around 10- years-old, kills herself and 19 others, possibly against her will, at a market
January 11 – More female suicide bombers, this time two, and again each believed to be around 10 years old, kill themselves and three others at a market in Potiskum.
January 12 – January 2015 Kolofata raid, Boko Haram militants launch a failed raid on Kolofata in Cameroon. The Cameroonian military claims the army lost only one officer while the Islamic group lost between 143- 300 rebels.
January 16 – The Military of Chad enters Cameroon to assist infighting against Boko Haram insurgents.
January 17 – Following the January 16 Chad authorities decision to send troops to Nigeria and Cameroon to fight Boko Hararn militants, the Russian ambassador to the country pledges to supply Cameroon with more modern weapons to combat the Islamist insurgents.
January 18 — Boko Haram militants kidnap 80 people and kill three others from villages in north Cameroon.
January 20 – Boko Haram leader, Abubakar Shekau, claims responsibility for the attack on the town of Baga, Nigeria in which an unknown number of civilians were killed.
January 24 — About 15 people are killed as Boko Haram gunmen attempt to burn down the village of Kambari near Maiduguri.
January 25 – Boko Haram rebels launch a large offensive agist Nigerian forces in Maiduguri. the capital of Bomo State, leading to the deaths of at least 8 civilians, up to 53 militants, and an unknown number of soldiers. Although the attack fails, the rebels manage to capture the nearby strategic town of Monguno. The status of the 1,400 soldiers stationed in Monguno is unknown.
January 28 – Boko Haram fighters killed 40 people while on a rampage in Adamawa State.
January 29 – The Nigerian military, in collaboration with Chadian soldiers, captures the border town of Michika from Boko Haram rebels.
January 31 – The African Union pledges to send up to 7,500 international soldiers to aid Nigeria’s fight against Boko Haram. Chadian forces claim to have killed 120 Boko Haram fighters while losing only 3 soldiers of their own during fighting in the north of Cameroon.
February 1 – Boko Haram again attacks the capital city of Bomo State, Maiduguri. This time. the city is attacked from four out of the five sides. The attack is unsuccessful. Also, a suspected Boko Haram suicide bomber kills himself and eight others at the residence of a politician in Potiskum. Another suicide bomber kills five people outside a mosque in Gombe.
February 2 – A female suicide bomber attacks minutes after the President of Nigeria leaves an election rally in the city of Gombe resulting in at least one death and eighteen people injured.
February 4 – Boko Haram militants reportedly raid the Cameroonian town of Fotokol in Cameroon’s Far North Region with scores of people killed. The Chad Army claims to have killed 200 militants and lost nine soldiers while capturing the border town of Gamboru Ngala.
February 6 – Boko Haram forces launch raids on the towns of Bosso and Diffa. both in Niger Republic, marking the first time that the group has attacked the country. The Chadian military assists the Nigerian Armed Forces in repelling the attack. 5 Nigerians are killed while the government claims 109 Boko Haram militants are killed as well.
February 7 – Nigeria postpones its general election for six weeks to allow its armed forces to control parts of the country currently controlled by Boko Haram.
See table 10 below an outline of selected Boko Haram attacks in Nigeria between 2009 and 2015.