Africa

Timeline: Nigeria's kidnapped Chibok girls, 1,000 days later

Sunday marks 1,000 days since Boko Haram extremists abducted nearly 300 Chibok schoolgirls in northeastern Nigeria, shocking the world. Nearly 200 of the schoolgirls remain captive. While some girls have been freed, Nigeria's government has been accused of keeping them sequestered and silent. Here are some of the key events surrounding the crisis:

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April 2014: Boko Haram extremists kidnap 276 schoolgirls from Chibok in northern Nigeria, the region where the insurgency emerged several years ago.

November 2014: Extremists seize Chibok, and Nigerian army takes back the town.

May 2015: New President Muhammadu Buhari is sworn in, pledging to tackle Boko Haram "head-on."

April 13, 2016: Boko Haram video appears to show some of the Chibok girls, and tearful mothers recognize their daughters.

May 18, 2016: Relative says one of the Chibok girls is found, pregnant, in a forest; pressure grows on Nigeria's government to rescue the others.

Aug. 14, 2016: Boko Haram video says some Chibok girls are killed in airstrikes and demands release of extremists in exchange for the other girls' freedom.

Oct. 13, 2016: Spokesman for Nigeria's president confirms 21 Chibok girls have been freed, a result of government negotiations with Boko Haram.

Nov. 5, 2016: Military announces the first army rescue of a Chibok girl, during a raid on a forest hideout.

Dec. 24, 2016: Nigeria's president declares that Boko Haram has been crushed, driven from its last forest hideout.

Jan. 5, 2017: Nigeria's army says soldiers find one of the schoolgirls wandering in the bush near the forest stronghold.