context: The World Factbook is an annual CIA publication published 1962, and contains about two to three pages for each country recognized by the United States. This book has been secret since 1971, and although it is intended for use by American government departments, it is often used by various American organizations for easy access and because it is in the public domain where it is not covered by copyright.
question: When did the world facts book start?
answers.text: 1962