Friday the 13th doesn't even merit a mention in E. Cobham Brewer's voluminous 1898 edition of the Dictionary of Phrase and Fable.
The Dutch Centre for Insurance Statistics (CVS) 2008, stated that "fewer accidents and reports of fire and theft occur when the 13th of the month falls on a Friday than on other Fridays.
UNIX time will reach 1,234,567,890 decimal seconds on our wedding day at 23:31:30.