Unluckiest Friday 13th since 1520

Today "could be a day of horror for superstitious people who dread the number 13, says a German professor: not only will the date be Friday the 13th, but all the digits in the numeric notation of the date add up to 13 as well ...

"He said yesterday the last time 13 coincided this way was Friday, January 13, 1520."
Gulf Times

Origins and folklore of Friday the 13th at Wilson's Almanac

Friday The 13th e-cards

Tagged: calendar+customs, folklore