No One Expects the Spanish Inquisition!
The Tribunal of the Holy Office of the Inquisition is established this year in Spain. At this time the modern day "Spain" does not exist, but the monarchies of Castile and Aragon have joined in the secret marriage of Queen Isabelle the 1st and King Ferdinand the 2nd. (It is not clear how secret the marriage is since they had to get the permission of the Pope first.) The Spanish Inquisition is created after Queen Isabella receives three reports of crypto-Jews who have pretended to convert to Christianity but continue to practice Judaism in secret. One of the reports comes from Tomás de Torquemada, who will become the infamous Inquisitor. While it is clear that Pope Sixtus the 4th doesn't like the idea of a special Inquisition, Queen Isabella threatens to remove military support for the Pope so he finally allows it. By 1492, the Jews will be expelled from Spain.  
This Year in Wikipedia
Year 1478, Wikipedia.
- Ott, Michael. "Tomás de Torquemada", The Catholic Encyclopedia. New York: Robert Appleton Company. Retrieved on November 26, 2014.
- Spanish Inquisition - Wikipedia (2014). Retrieved on 21 November 2014.
- Monty Python's Flying Circus - COMPLETE Spanish Inquisition. YouTube.com (2014). Retrieved on 21 November 2014.