卢沟桥事变中北平究竟何时沦陷,各类著作所述不同,归纳起来,说法有三:一曰1937年7月28日(以下略年月),一曰29日,一曰30日。笔者认为,卢沟桥事变是中国乃至世界现代史上的重大事件,以此为标志展开了中国人民持续8年的全面抗日战争,以具体时间而论,北平沦陷日期又可作为卢沟桥事变结束的标志;而且这一事件距今不过50余年,因此,有必 Lugouqiao Incident, Peking when exactly fall, various books described different, to sum up, there are three views: a said July 28, 1937 (the following slightly months), a said 29, a day on the 30th. The author believes that the Lugouqiao Incident is a major event in the modern history of China and the world. As a result, the Chinese people started an all-out anti-Japanese war that lasted for eight years. In terms of specific time, the date of the fall of Peking can also serve as a landmark for the end of the Lugouqiao Incident; and It is only 50 years away from this incident, therefore, it is necessary