What was the name of the 1981 British supernatural television drama that about an incident called the Ghosts of Petit Trianon or Versailles?
Moberly–Jourdain incident: The Moberly–Jourdain incident (also the Ghosts of Petit Trianon or Versailles, French: "les fantômes du Trianon" / "les fantômes de Versailles") is a claim of time travel and hauntings made by Charlotte Anne Moberly (1846–1937) and Eleanor Jourdain (1863–1924).
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