The bombing of the 16th Street Baptist Church in Birmingham was an act of terrorism by Ku Klux Klan members that killed four black girls (ages 11-14) and injured fourteen other persons at the church.
The September, 1963, bombing in Birmingham sparked the African American community into strong action in Alabama to push for the rights of black citizens. As noted in a Voting Rights Timeline provided by Alabama State University, "the murder of four black girls at the Sixteenth Street Baptist Church in Birmingham" was the catalyst that launched a "new thrust on voting rights by the Southern Christian Leadership Conference (SCLC)."
Although there are several organizations whose sole function is to provide humanitarian aid around the world, one of the more popular ones would be "UNICEF"