In what year did Liu Bowen predict good news?

From the Ming Dynasty to the Qing Dynasty, from the Qing Dynasty to the Republic of China, people have been more and more amazed at Liu Bowen's natural calculation for hundreds of years. All the predictions are puzzling, but history has been solved one by one, and anecdotes in history have been confirmed one by one. No wonder later generations said that Liu Bowen could know 500 years ago and 500 years later.