Create a timeline of the historical events. This will help you to go through the events easily. You can draw it or use digital tools to make it presentable.
Create acronyms and memorable words to recall the list; taking an example to learn rainbow colours, we use ROYGBIV. One can create something like this for memorising the historical facts.
Stories are truly easier to remember than reciting facts again and again. Create interesting stories out of the names involved in the historical events, add dates accordingly in the story, and go through it every time you are free.
While trying to learn the history, create images to remember it for longer. Visualise images according to the names, and add an environment background too, to make it more engaging.
Explaining historical concepts to someone else (even an imaginary friend) forces you to process the information actively and identify areas where you might need more clarity.
Connect new historical information to the things you already understand or are interested in. Finding parallels or contrasts can make the new information more relevant and easier to recall.
Create songs or rhymes about historical events or figures. The rhythm and melody can retain the information in your memory for a longer time. There are even existing historical songs you can explore.
Reading excerpts from original documents, letters, or speeches can bring history to life and make it more memorable than simply reading a textbook summary.
Use flashcards, quizzes, and historical simulations or games to actively engage with the material. Testing yourself regularly reinforces learning and makes the process more fun.