Ancient Egypt in the Western imagination American singer Katy Perry released in 2013 the song "Dark Horse" and the plot of the music video for the song was set it ancient Memphis. The video features numerous ancient Egyptian symbols and many of the things featured in it are historically accurate even though no egyptologists were consulted during its production. The turquoise makeup worn by Katy Perry in the video would have been used in Ancient Egypt, the dress she wore is similar in style to the Graeco-Roman clothes worn by nobles such as Cleopatra, the video features the Eye of Horus a powerful symbol in Ancient
The Horus Heresy (novels) Heresy and "Warhammer 40,000" canons; still other non-series Horus Heresy material has been eventually incorporated into the work. A significant development was the 2012 initial release of the "Horus Heresy" miniatures wargame expansion, which repositioned the concept as a foreground element within the "Warhammer 40,000" gaming system while highlighting the importance of the Horus Heresy to Games Workshop's product lineup and the related universe. The expansion is reputedly developed in coordination with the book series, and includes new material and information about the Horus Heresy and the fictional universe; it joins the series and other works as an authoritative source