This document provides an introduction and overview of historical educational research. It discusses key concepts like historical context, primary and secondary sources, and the stages of historical research. The stages of historical research include: [1] identifying a researchable phenomenon, [2] developing hypotheses, [3] collecting data from primary sources like diaries and secondary sources like textbooks, [4] checking and verifying data, and [5] writing a report of findings. Historical research helps educators understand problems through accumulated knowledge and improve practices. It explores how individuals experience the world through qualitative research methods.