Cross reference Mayan stuff on The United States of America
Knights Templar defeated on Friday the 13th (meaningless in this context)
Christ was crucified on Friday 13th???
Most Probable Sources of 13 as a Sacred Number
13 lunar cycles
13 constellations in the Zodiac
That’s pretty close! So in 8 Earth years, Venus goes around the Sun almost 13 times. Actually, it goes around 13.004 times.
Ancient uses of 13 as a Sacred Number
13 acres under the Giza Plateau
13 Ahau 1776
2013 (actual end date)
13 in Math
13 Archimedian solids
The fear of the number 13 is called ‘Triskaidekaphobia’. A specific fear of Friday the 13th is called Paraskavedekatriaphobia (from Greek Παρασκευή Friday + δεκατρείς thirteen + phobia) or Friggatriskaidekaphobia. In the Spanish-speaking world, it is Tuesday the 13th that brings bad luck… A proverb runs “En martes, ni te cases ni te embarques” (on Tuesday, neither get married nor start a journey).