Analyzing G30S 1965 Narrative in History Textbook to Develop Historical Thinking Skills

G30S 1965 is an event that contains historical controversy to this day. This controversial event is in history textbooks. Analysis of historical thinking in textbooks regarding these events needs to be carried out to discover the development of the historical thinking concept from various times. The research method used in analyzing is qualitative, focused on literature review. The Miles and Huberman concept technique was used as a data analysis technique. The textbook's content analysis is carried out by using the concept of the big six of Seixas' historical thinking. The analysis of the textbooks used the 1994, 2004, 2006, and 2013 high school history curriculum. The results of the analysis found that the various curricula contained the concept of Seixas' historical thinking in the textbooks. It is a key for teachers to develop students' historical thinking in realizing the goals of history learning. Students analyze these events more deeply to be able to face controversial problems and take lessons to improve.