"The Decline of the West: Volume 1, Form and Relevance" is the fundamental work of the famous German philosopher Oswald Spengler, in which he proposes an original theory of civilizational development. The author analyzes the history of Western cultures in the context of their forms and relevance, revealing the inner logic of their development and immersing the reader in deep philosophical reflections on the nature of civilizational processes. This book is an important source of intellectual stimulation and worldview enrichment for any reader interested in philosophy, history, and cultural studies.