20 years ago, the legendary English Beatles quartet ceased to exist. Since then, hundreds of books have been published in the world dedicated to his work, phenomenal career, and influence on world culture. But here's the catch: while some aspects of the topic are becoming clearer, others still raise questions and doubts. Often, the assumption expressed by one author in the book of another author appears already as a proven and irrefutable fact. Especially great confusion exists around the dates of specific events in the history of the Beatles, and not some secondary, but key, main ones.