First edition published 1913-1938 in French, German, and English. New edition started in 1954, still incomplete at letter "R". Both editions contain extensive Islamic history and culture articles. New edition is roughly triple size of first edition
Encyclopedia consists of four main sections: My First Britannica, Learning Library, Science Library, and Ancient Civilizations Guide. Each section contains multiple volumes covering various topics
Born in 1713 to a family of cutlery manufacturers in Langrés. Initially studied at Jesuit College, then joined Sorbonne theology. Left priesthood at age 22 to pursue law and tutoring
First published in 1829 by Francis Lieber as English translation of German Brockhaus. Second edition by J.M. Stoddart published 1883-1889 as Britannica supplement. 1902 edition under Scientific American supervision with Frederick Converse Beach as editor
Wikipedia launched on January 15, 2001 as a collaborative wiki project. Started as a supplement to Nupedia, a more structured free encyclopedia. Concept originated from Richard Stallman's 1998 free encyclopedia proposal. First edit was "Hello, World!" by Jimmy Wales
New edition began publication in Spring 2007. Maintains comprehensive coverage of Islam in twentieth century. Includes coverage of Muslim minorities worldwide. New articles added every quarter. Available online with search facility