Facts that happened are historical facts.
what happened to her family?
IF you are reading a historical fiction book it is bacically, what happened in the books that are facts and about history
a fire happened
MLK Ihave a dream!
Minimum wage in 1960 was one dollar.
she always did good to others no mater what happened
he had sex
aerwgahvjerkeregyhjkergyujikl;' I really don't know
2000 jews died every month
it tells the reader what is has happened or been proven by representing data
History is listing what happened, when, where and if possible why. It is usually facts (because something either happened or it didn't, and often a large amount of proof is available), but occassionally historians are reduced to making educated guesses where that proof is lacking or lost.
He happened to have dyslexia. His dyslexia caused him to do badly in curricular activities such as learning facts and dates. This led him to completely disregard and ignore them.