Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleFriday XIII.AuthorsBattersby, StephenAbstractNotes that the 13th of a month is more likely to fall on a Friday than any other day. Effects of the new calendar introduced by Pope Gregory XIII in 1582; Months most likely to begin on Sunday.SubjectsFRIDAY the thirteenth; GREGORIAN calendar; MONTHS; SUNDAYPublicationNature, 1998, Vol 396, Issue 6707, p113ISSN0028-0836Publication typeArticleDOI10.1038/24039