{{{annotations}}} Charles-Victor Langlois (French pronunciation: [ʃaʁl viktɔʁ lɑ̃ɡlwa]; May 26, 1863, in Rouen – June 25, 1929, in Paris) was a French historian, archivist and paleographer, who specialized in the study of the Middle Ages and was a lecturer at the Sorbonne, where he taught paleography, bibliography, and the history of the Middle Ages.
His 1898 work Introduction aux études historiques, written with Charles Seignobos, is considered one of the first comprehensive manuals discussing the use of scientific techniques in historical research.
By using methods such as external and internal criticism, the historian is able to see both the reader's and author's perspective on a piece of history.
In order to get a completely accurate history, these facts must be sorted into categories into groups to allow for easy research.
[3] To emphasize the importance of primary sources, Seignobos and Langlois began their handbook with the now well-known maxim, "History is made with documents.