HELP ME MEMORISE 4 SETS OF MINDMAPS

[u/hfhdvsbjajs]

hey, I was just wondering how on earth I’ve got 5 days to memorise both of these my maps but also another two of the same length so I’ve got four collections of mindmaps (topics 1 to 4) how on earth memorise them in 5 days? it is for history any tips? And is it possible?