If you have it then you will be staying home today. The unreasonable fear of the number 13 began with the slaughter of the Knights of the Templars on Oct 13. 1307. There is no row 13 on an airplane, no floor 13 in a hotel , no seat 13 in a theatre amoung many others.
Give a thought today to that moment in history, fueled by jealousy and greed, that destroyed so many lives. Who knew then we would still be talking about them 700 years later?