context: Criticism of Pure Reason (German: Criticism der reinen Vernunft) is one of Immanuel Kant's works which is considered as one of the most influential in philosophical history. [2] and marks the starting point of the birth of modern philosophy. This book was written as an accumulation of brief notes collected and printed as the first print in 1781. The print was followed by substantial revisions, expansions and edits in 1787.
question: When was the Criticism of Pure Reason published?
answers.text: 1781