Major attacks blamed on Nigeria's Boko Haram
2009
2010
2011
June - Attack on a bar in Maiduguri kills 25
August - Suicide bomber kills 23 at U.N. building in Abuja
November - Bombings in Damaturu and Potiskum kill 65
December - Christmas Day bombings across Nigeria kill 39
2012
2013
2014
2009
- July - Attacks prompt government crackdown in Bauchi and Maiduguri; 800 people killed
2010
- December - Bombings in central Nigeria and church attacks in the northeast kill 86
2011
June - Attack on a bar in Maiduguri kills 25
August - Suicide bomber kills 23 at U.N. building in Abuja
November - Bombings in Damaturu and Potiskum kill 65
December - Christmas Day bombings across Nigeria kill 39
2012
- January -- Gun and bomb attacks in Kano up to 200
- February - Maiduguri market attack kills 30
- June - Suicide car bombings at three churches kill 21
- July - Attacks in Plateau state kill dozens, including two politicians at a funeral for the victims
2013
- February - French family kidnapped in Cameroon, held hostage for two months
- April - Fighting with troops in Baga kills up to 200; residents say troops set deadly fires
- May - Attacks in Bama kill more than 50
- July - Gunmen kill 30 at a school in Yobe
- August - Gunmen kill 44 at a mosque outside Maiduguri
- September - Gunmen kill 40 students at a post-secondary school in Yobe
- December - Militants attack military installations in Maiduguri
2014
- January - Militants kill 74 people and burn down a village in attacks in Borno and Adamawa
- February - Gunmen kill as many as 60 in attack on school in Yobe
- April - Militants abduct 276 schoolgirls
- June - Gunmen kill hundreds in massacres in Borno