This academic textbook offers a comprehensive and systematic study of the history and development of the English language from its earliest Germanic origins up to the modern era. It is specifically designed for students of philological faculties, universities, and institutes of foreign languages.The main objective of the textbook is to provide students with a deep understanding of the inner laws governing the development of the English language structure. The book covers all key historical periods—Old English, Middle English, and Early Modern English—analyzing successive changes in phonetics, grammar, morphology, syntax, and vocabulary. Special attention is given to the historical connection between linguistic evolution and the socio-historical background of the English people.The textbook includes authentic historical texts with linguistic commentaries, phonetic charts, and evolutionary tables that help students develop analytical skills in historical linguistics and textual interpretation.Approved by the Ministry of Higher and Secondary Special Education as a fundamental textbook for higher educational institutions.