The story of the old farmer was usually fictional. It was a story created by the author according to his own imagination and idea. However, in some novels, some plots related to historical events may be mentioned, but it doesn't mean that these plots have actually happened. In historical research, historical events were usually verified and evaluated to determine whether these events really happened. However, due to the complexity and complexity of historical events, it was difficult to determine whether certain plots had actually happened. Therefore, whether the old farmer's plot had actually happened or not required a concrete analysis of the situation.