Yearly Population Growth Rate 1  (%) The current population of Italy is 59,798,666 as of Sunday, April 9, 2017, based on the latest United Nations estimates. 2  Italy population is equivalent to 0.8% of the total world population. 3  Italy ranks number 23 in the list of countries (and dependencies) by population.
Dewey Decimal Classification. Dewey Decimal Classification, also called Dewey Decimal System, system for organizing the contents of a library based on the division of all knowledge into 10 groups, with each group assigned 100 numbers.
Melvil Deweyâs love of efficiency is clear in the Dewey Decimal System, which is used in libraries worldwide today. Photo credit: Elizabeth Howell. Bottom line: December 10, 1851 is the birthday of Melvil Dewey, who invented the Dewey Decimal classification system used today in libraries around the world.eweyâs invention â created when he was only in his early 20s â revolutionized library cataloging. The numbering system categorized books in relation to each other. Before, books in libraries had been numbered according to their physical location.