The research is entitled "Development of an E-Module Based on Case Based Learning Using the eXeLearning 2.8 Application Material on the Palembang War (1819-1821) during the Palembang Sultanate at SMA Negeri 18 Palembang". Research has been carried out and implemented in class XI F 7 SMA Negeri 18 Palembang. The aim of the research is to develop e-modules with validity and effectiveness that can…