1.Friday the 13th is a bad day.
13号星期五不吉利(黑色星期五)
The reason that Friday 13th in particular is unlucky is due to the massacre of the Knights Templar by Phillip IV ofFranceon Friday the 13th.
这一天之所以被视为不详之日是因为1307年10月13日(星期五)上午法国国王腓力四世下令逮捕并屠杀境内所有的圣殿骑士团成员。