Boko Haram insurgency in northeastern Nigeria (2009–present)

  1. Boko Haram uprising erupts across northeast

    Labels: Boko Haram, Nigerian security, Northeast Nigeria

    Coordinated clashes between Boko Haram and Nigerian security forces broke out across several northeastern states, marking the insurgency’s first major armed confrontation with the state.

  2. Founder Mohammed Yusuf killed in custody

    Labels: Mohammed Yusuf, Boko Haram

    Boko Haram’s founder, Mohammed Yusuf, was captured during the 2009 crackdown and killed shortly afterward, an event widely seen as accelerating the group’s radicalization and violent campaign.

  3. Suicide car bomb hits police HQ in Abuja

    Labels: Abuja Police, Suicide bombing

    A suicide car bombing at Nigeria Police Force headquarters in Abuja was widely reported as Nigeria’s first suicide bombing, signaling Boko Haram’s tactical escalation beyond the northeast.

  4. Suicide bombing strikes UN building in Abuja

    Labels: United Nations, Abuja

    A suicide bomber attacked the United Nations compound in Abuja, killing at least 21 people; Boko Haram claimed responsibility, underscoring its growing international profile.

  5. State of emergency declared in three states

    Labels: State of, Goodluck Jonathan, Borno Yobe

    President Goodluck Jonathan declared a state of emergency in Borno, Yobe, and Adamawa, expanding military operations against Boko Haram amid escalating attacks.

  6. Nigeria declares Boko Haram a terrorist group

    Labels: Nigerian government, Boko Haram

    Nigeria’s government formally banned Boko Haram and designated it a terrorist organization, aiming to strengthen legal tools for prosecution under the Terrorism Prevention Act framework.

  7. Boko Haram attacks Buni Yadi school dormitories

    Labels: Buni Yadi, Federal Government

    Gunmen attacked the Federal Government College in Buni Yadi (Yobe State), killing dozens of students and burning buildings—part of a broader pattern of assaults on education.

  8. Mass kidnapping of Chibok schoolgirls

    Labels: Chibok, Government Girls

    Boko Haram abducted 276 schoolgirls from Government Girls Secondary School in Chibok (Borno State), sparking global outrage and the #BringBackOurGirls campaign.

  9. UN sanctions committee lists Boko Haram

    Labels: UN Sanctions, Boko Haram

    The UN Security Council’s Al‑Qaida Sanctions Committee added Boko Haram to its sanctions list, triggering targeted measures such as asset freezes and an arms embargo.

  10. Mass killings in Baga and surrounding areas

    Labels: Baga, Borno State

    Boko Haram overran the strategic town of Baga and nearby areas in Borno State in an attack that became one of the conflict’s deadliest episodes, with widely varying death toll estimates.

  11. Boko Haram pledges allegiance to Islamic State

    Labels: Abubakar Shekau, ISWAP

    Abubakar Shekau announced Boko Haram’s pledge of allegiance to the Islamic State; the group’s IS-linked branding later became associated with the name Islamic State West Africa Province (ISWAP).

  12. Twenty-one Chibok girls released after negotiations

    Labels: Chibok girls, Negotiations

    After negotiations involving intermediaries, Boko Haram released 21 Chibok schoolgirls—an early major negotiated release from the 2014 mass abduction.

  13. Eighty-two Chibok girls freed in prisoner exchange

    Labels: Chibok girls, Prisoner exchange

    Nigeria secured the release of 82 Chibok schoolgirls in a deal involving a prisoner swap, with Switzerland and the ICRC reported as facilitators/intermediaries.

  14. Dapchi schoolgirls abducted in Yobe State

    Labels: Dapchi, Yobe State

    Boko Haram kidnapped 110 schoolgirls from a school in Dapchi (Yobe State), highlighting the continued vulnerability of schools years after Chibok.

  15. ISWAP-Boko Haram split culminates in Sambisa battle

    Labels: ISWAP, Sambisa Forest

    Fighting between ISWAP and Shekau’s Boko Haram faction intensified in Sambisa Forest, with ISWAP capturing key areas—an inflection point in the insurgency’s internal power struggle.

  16. ISWAP audio claims Abubakar Shekau is dead

    Labels: ISWAP, Abubakar Shekau

    ISWAP circulated an audio message asserting that Abubakar Shekau died after being cornered during the Sambisa Forest clashes, reshaping Boko Haram’s leadership landscape.

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Last Updated:Jan 1, 1980

Boko Haram insurgency in northeastern Nigeria (2009–present)