In 1899, the United States Library of Congress created a classification scheme for books. It is called the Library of Congress Classification system (LC for short). In this system, all knowledge is divided into 21 broad subject areas by letters of the alphabet (I, O, W, X, and Y are not used).wo systems commonly used in the United States are the Library of Congress Classification (LC) system, and the Dewey Decimal Classification (DDC) system. 1  Library of Congress Classification System. 2  Call numbers. 3  Shelf order. 4  Collection codes.
1. The Schlieffen Plan was Germanyâs tactical solution for avoiding a two-front war with France and Russia. 2. Under this plan, drawn up in 1905, France would be forced to a quick surrender by a German invasion in the north.
World War One. When war looked likely in 1914, the Germans decided to put the Schlieffen Plan into effect, declaring war on France and attacking with multiple armies in the west, leaving one in the east. However, as the attack went ahead Moltke modified the plan even more by withdrawing more troops to the east.