Number 15

Number 15 – Fun Facts

Number 15

Number 15 is the number of the Magic Square.

The magic square has been used in magic and as a talisman in many cultures around the globe for centuries.

In Asia the magic square is called Lo Shu and is used to this day as a tool in feng-shui.

15 magic square


According to legend, it originated around 2205 BC when the Emperor discovered the magic square on the back of a turtle.

15 pool balls
  • Number 15 is a triangular number: 1+2+3+4+5=15
  • Phosphorus has the atomic number of 15.
  • A crystal anniversary celebrates fifteen years.
  • May 15th is the International Day of Families.
  • February 15th is Susan B. Anthony Day celebrated in the U.S. Susan B. Anthony (February 15, 1820 – March 13, 1906) worked all her life for the rights of women.
Tarot card 15

She also worked for the Anti-Slavery Society.

Number 15 in the Tarot Deck

  • In the Tarot 15 is the card of the Devil Rider.
    The Devil symbolizes failure or reduction.

Reversed it implies a release from something binding.

Quinceañere

Quinceañere is a grand fancy dress celebration when a girl turns 15 years old. Quineañera actually means “one who is 15”. This is the day the young girl officially enters womanhood.

15th birthday

There are several customs during the festivity involved dancing and lots of good food. The birthday girl is dressed up looking magnificent, like a princess.

Often the birthday girl will give away 15 candles. She will give one candle to each of the 15 people who have had most positive impact in her life.

Quinceañera is observed in Central America and South America. It is an important day in many countries including Mexico, Cuba, Ecuador, Columbia, Dominican Republic, Venezuela and Peru.

The Fifteenth President

James Buchanan Presidential Coin

James Buchanan was the 15th President of the United States. He is the only President to date that was not married. Buchanan was an active Freemason.

He was criticized for not doing anything to prevent the crises between the North and South. During his last month as President, seven Southern states left the Union.

Abraham Lincoln died February 15, 1865. He was the 16th President of the United States. Lincoln was shot the day before in Ford’s Theatre, Washington D.C.

Kentucky became the 15th state in 1792.

Magna Carta

The famous document of fundamental rights known as the “Magna Carta” was signed by the English King John on June 15, 1215. This document was to secure certain rights of the people and specified that the Crown was not above the law.

The Royal Chancery formalized the document on July 15, 1215.

The barons who drew up the document were determined to legalize the new laws. The King sealed the Magna Carta involuntarily.  

Elizabeth I was crowned Queen of England January 15, 1559 in Westminster Abby, London.

Julius Caesar was murdered on March 15, 44 B.C. He was stabbed to death in the Roman Senate.

Mata Hari

Mata Hari 1906

She had been found guilty of espionage in favor of Germany during World War I.

It has been reported that this exotic Dutch dancer from was neither bound nor blindfolded and remained calm when the firing squad shot her.

The Fifteen

The first Jacobite Rising is known simply as “The Fifteen” because it occurred in 1715.

The Jacobites were English and Scottish supporters of the Stuarts.

The last Stuart king was James, known as King James II in England and Ireland and as King James VII in Scotland. He was the last Catholic king.

Sonnet 15 By William Shakespeare

Assumption of Mary

number 15 in Christianity

The Catholic Church celebrates the Assumption of the Virgin Mary on August 15th.

It is believed that the Virgin Mary, body and soul, was taken up into Heaven.

This doctrine was defined as an ex cathedra of papal infallibility by Pope Pius XII November 1, 1950.

This day is a public holiday in many Catholic countries.

The 15 Mysteries of the Rosary

There are Fifteen Original Mysteries of the Rosary from the time of Pope St. Pius (1504-1572)

      Joyful Mysteries  1. The Annunciation
2. The Visitation
3. The Nativity
4. The Presentation of Jesus at the Temple
5. The Finding of the Child Jesus in the Temple
     Sorrowful Mysteries  6. The Agony in the Garden.
7. The Scourging at the Pillar.
8. The Crowning with Thorns.
9. The Carrying of the Cross.
10. The Crucifixion.
     The Glorious Mysteries  11. The Resurrection
12. The Ascension.
13. The Descent of the Holy Spirit.
14. The Assumption of Mary.
15. The Coronation of Mary

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