Gregorian calendar: Thursday
Julian calendar: Friday
In today's world that would have been on a Friday.
French members of the Knights Templar were arrested, tortured and put to death by King Philip IV's authorities.
Sunday
It was a Thursday.
It was a Monday.
It was a Saturday.
August 13 1985 was a Tuesday.
13 is historically an unlucky number in the western world. It is beleived that 13 became unlucky because the French King Philip IV has the Grandmaster of the famous Knights Templar and 60 of his knights burned at the stake on October 13, 1307.
I assume you mean Friday, October 13, 1307. This date is believed by some to be the origin of the "Friday the 13th" superstition. On this date, thousands of members of the Knights Templar, a prominent religious order in Europe, were rounded up and arrested by the French king, who accused them of various crimes of heresy and fraud, most of which turned out later to be false.
October 13, 2008 marked a historic low in the stock market during the global financial crisis, with major indexes falling significantly. This date is often cited as a key moment in the crisis, symbolizing the widespread economic turmoil that followed the collapse of major financial institutions. It is a reminder of the fragility of the financial system and the importance of regulations to prevent such events from happening again.
1107 + 200 = 1307
On Friday, October 13, 1307 A.D, they were arested,tortured at the orders of the king of France with the help of the pope, by 1314 even the grandmaster was burned at stake, after the grandmaster's death not the king neither the pope lived more than one year.