The short story has its roots in folk tales and fairy tales. There is very little room for the kind of subtle attention to detail that is a foundation in period pieces, or historic fiction.
Nonetheless, some classic literature can act as historic fiction. This can be through descriptive settings, or characters with developed behaviors that are propelled by the place in time the author is writing about (or from).
The Bronze Age Collapse was a relatively sudden, likely violent, destruction of almost every advanced civilization around the Eastern Mediterranean around 1200 BC. The great Mycenaean civilization fell, as did their trade routes, and the collapse of trade likely hastened the fall of other powers that probably relied extensively on it.
Digital History is a sub-field of the Digital Humanities. It is a loose term for any combination of the applications of technology and the study, analysis or presentation of history. At it's most complex, it can involve techniques such as data analysis concepts and text mining. Or, it can be as simple as a website.