The study of historical documents and how to determine if they are authentic and what they really mean.
From French 'diplomatique' (diplomatic science) + English '-ics' (field of study suffix). The term originated in the 17th century when scholars began systematically analyzing historical documents to verify their authenticity. It formalized the study of ancient charters and official records.
Diplomatics is basically the detective work of history—scholars use it to catch forged medieval documents, prove which famous letter was actually written by the person who claimed to write it, and understand what ancient rulers really meant by their confusing legal language.
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