“九·一八”事变,是中国现代历史,乃至世界现代历史上具有转折点性质的重大历史事件。它一直是我国史学工作者关注和着力研究的重要课题之一。自1976至1990年末,据不完全统计,共发表文章200篇以上,专著与专题资料(包括台湾李云汉先生编:《九·一八事变史料》,1977年出版)10余部。现将研究状况及其成果简述如下。一、“九·一八”事变的起因及其历史背景 The “September 18 Incident” is a major historic event with a turning point in the modern history of China and even in the modern history of the world. It has always been one of the important topics that our historians pay close attention to and focus on. According to incomplete statistics from 1976 to 1990, a total of more than 200 articles, monographs and thematic materials (including Mr. Li Yunhan’s account of Taiwan: “September 18 Incident” published in 1977) were published in more than 10 articles. Now the research status and results are summarized below. First, the “September 18” Incident and its historical background