11/22/10.
Triskaidekaphobia (tris-kuh-dek-uh-foh-bee-uh or tris-kahy-dek-uh-foh-bee-uh) n., Fear or a phobia concerning the number 13.
She once knew a girl whose Triskaidekaphobia prevented her from eating more than twelve Skittles at a time based on her certainty that she would choke and die on the thirteenth one.
Every Day for a Year 