On April 14, 2014, the Boko Haram militant group kidnapped 276 schoolgirls in Chibok, Nigeria, causing an international uproar. People across the world united through the social media hashtag #BringBackOurGirls. Two years later, 219 of the students are still missing.
Two Years Have Passed Since Chibok Girls Kidnapped

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The White House posts a Twitter photo showing First Lady Michelle Obama holding a sign with hashtag #BringBackOurGirls, May 7, 2014.

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People attend a demonstration calling on the government to rescue the kidnapped school girls from the Chibok government secondary school, outside the defense headquarters in Abuja, May 6, 2014.

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An event held April 12, 2015 in Washington, during which protestors demanded the release of 276 schoolgirls abducted a year earlier in Chibok.

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An event held in Washington on April 12, 2015 for the release of the schoolgirls abducted a year earlier in Chibok.