The Rosetta Stone is written in three scripts because when it was written, there were three scripts being used in Egypt. The first was hieroglyphic which was the script used for important or religious documents. Detail of hieroglyphic and demotic script on the Rosetta Stone.
The Texas Chainsaw Massacre never happened in real life. The filmmakers just wanted people to think it was a true story, so more people would go see the movie. It was also a bit of a joke on their part, to see if people would believe it was real.
For the film franchise, see The Texas Chainsaw Massacre (franchise) . The Texas Chain Saw Massacre is a 1974 American slasher film, directed and produced by Tobe Hooper, who cowrote it with Kim Henkel.