Bad luck surrounding Friday the 13th is believed to come from Friday being the day of Jesus Christ's crucifixion.
On their own, both the day and the number have been considered unlucky throughout history.
It is said never to begin trips by boat on Fridays, or the weekday of Christ's death, and some say never to begin any trip on the day. Winston Churchill despised traveling on Fridays, and if he did, he carried a lucky walking stick. The poet George Gordon Byron believed Fridays unlucky, but once chose to travel on a Friday anyway. He died soon after … on a Friday.
The concept of superstition began as the Greek word deisidaimonia (δεισιδαιμνοία), which in the 4th century bce had the positive meaning 'scrupulous in religious matters'; but a century later it had acquired a more negative meaning, inching it closer to our modern understanding of superstition.
SUPERSTITION Definition - excessively credulous belief in and reverence for supernatural beings. a widely held but unjustified belief in supernatural causation leading to certain consequences of an action or event, or a practice based on such a belief















