"Historical accuracy" refers to how closely something aligns with the real events, people, and details of the past. It means being faithful to the truth and avoiding errors or exaggerations when depicting historical facts or events. Full definition
While I understand the need for historical accuracy, costume design should be so much more than research and clever stitching. (screenpicks.com)
At least have some responsibility and speak with historical accuracy and certainty. (religion.blogs.cnn.com)
Without being overtly familiar with those, it doesn't seem right to comment on historical accuracy, but as pure drama, the screenplay works. (dvdizzy.com)