December 10, 1851. That was the goal of Melvil Dewey, inventor of the Dewey Decimal classification system, used today in libraries around the world. Dewey’s invention – created when he was only in his early 20s – revolutionized library cataloging. The numbering system categorized books in relation to each other.Click to see full answer. Similarly one may ask, who invented Dewey Decimal System? Melvil Dewey Likewise, when was the Dewey decimal system created? 1876 Also to know, where was the Dewey decimal system invented? Dewey invented the Dewey Decimal Classification (DDC) system when he was 21 and working as a student assistant in the library of Amherst College, drawing from Sir Francis Bacon’s classification of knowledge as well as library classification systems designed by William Torrey Harris and Natale Battezzati.Did John Dewey make the Dewey Decimal System?John Dewey AKA The Dewey Decimal System. Created by Melvil Dewey in 1876, this was in place to make finding and returning books easier. Each book (if organized with the DDC), has a number and then more specifically organized with the authors last name. This system is all based on structure for its success.