Great centers of religious learning were also centers of knowledge and scientific development. Such formal centers began during the Abbasid period (750-1258 A.D.) when thousands of mosque schools were established. In the tenth century Baghdad had some 300 schools. Alexandria in the fourteenth century had 12,000 students. It was in the tenth century that the formal concept of the Madrassah (school) was developed in Baghdad. The Madrassah had a curriculum and full-time and part-time teachers, many of whom were women. Rich and poor alike received free education. From there Maktabat (libraries) were developed and foreign books acquired. The two most famous are Bait al-Hikmah in Baghdad (ca. 820) and Dar al-Ilm in Cairo (ca. 998). Universities such as Al-Azhar (969 A.D.) were also established long before those in Europe.
Martin Luther King, Jr., is known for his contributions to the American civil rights movement in the 1960s. His most famous work is his “I Have a Dream” (1963) speech, in which he spoke of his dream of a United States that is void of segregation and racism. King also advocated for nonviolent methods of protest
