Historical figures were increasingly brought onto Instagram providing insights into the past from a first-person perspective by nonverbally and verbally addressing followers in stories or posts. This type of representation is known for promoting parasocial interaction (PSI), the illusion of a face-to-face interaction with a media figure. Consequently, historical Instagram accounts may offer a novel platform for historical learning via PSI with historical figures. This longitudinal study aims to investigate PSI and actual interaction (e.g., liking, commenting) with the historical figure on social media and the resulting educational potentials: interest in and knowledge about the historical figure, and followers’ consciousness of the accounts’ fictionality and characteristics of the past. To investigate this, followers of the German historical Instagram account: ichbinsophiescholl, were surveyed at two time points (t1: N = 239; t2: N = 84). The findings revealed that followers’ actual interaction was positively related to the experience of PSI, which was in turn supported by their general interest in history. PSI did not increase over time but was positively associated with interest in the historical figure. Moreover, followers experiencing PSI were more aware of the historical characteristics of the account but less aware of its fictionality.