The release of George Lucas' first Star Wars film was a pivotal moment in cinematic history for many reasons. The novel science fiction aesthetic and the methods used to portray it in film captivated audiences worldwide and changed filmmaking forever. Since it hit theaters in 1977, Star Wars has set the standard for high-concept blockbuster movies, from the simple but exciting plot to the stunning special effects.
Source:https://www.cbr.com/star-wars-future-practical-effects/