Friday the 13th is considered unlucky because on Friday, October 13th, 1307, King Philip IV of France, in league with Pope Clement V ordered all Templars to be rounded up and thrown in prison. The Knights Templar had been the bankers for the crown and vatican, but they lost their prestige at Acre, and the Crown and Pope chose to "redistribute" their wealth the the Knights Hospitaller, instead if repaying the money they had borrowed from the Templars to fund wars.
The Catholic Knights Hospitaller formed the earliest hospitals.
Now we are here, under medical Tyranny.