The Castlevania animated series on Netflix built an exciting world through the lens of fantasy and the real world's own history. Taking place 300 years after the events of the first Castlevania series, Castlevania: Nocturne thrusted audiences into 18th century France. This was a time of class suppression, famine, spirituality, and revolution. The themes and creative choices helped to give the show such immersive and relatable parallels to the sentiments of today. Futhermore, Castlevania: Nocturne used broader strokes of these historical timelines to connect a diverse cast of characters in realistic circumstances to the events of the time, building a solid structure of cultural empowerment and representation in one.
Source：https://www.cbr.com/castlevania-nocturne-history-explained/
