- 2020/05/14：About 6,300 middle school textbooks have been added.
- 2019/08/19：About 860 state-edited textbooks have been added. Site name is changed: Japanese Modern Textbook Digital Archive. English pages have been released.
- 2019/02/06：About 1100 teaching books for Meiji era government-authorized textbooks have been added.
- 2018/11/22：About 1900 Meiji era government-authorized textbooks have been added. Subject of the textbooks are 修身(shushin) and 読本(tokuhon).
- 2018/08/30：明治期教科書デジタルアーカイブ, Meiji Era Textbooks Digital Archive has been released. About 8400 early Meiji era textbooks and Meiji Era Government-authorized textbooks except for ones of 修身(shushin) and 読本(tokuhon) are available.