http://au.answers.yahoo.com/question/index?qid=20061005171810AAiRhJc http://en.wikipedia.org/wiki/Friday_the_13th http://en.wikipedia.org/wiki/Black_Friday http://news.bbc.co.uk/2/hi/uk_news/ 8582518.stm Where did it start? How has it evolved? I want to know a different story

további részletek:
What is the history behind Friday 13th?