The link between the word "Myrtus" and the Old Testament seems really strained. It's the name of a plant. It features prominently in Greek mythology -- maybe the Greeks did it?
1) Eshter's born name is Hadassah, which means myrtle (http://en.wikipedia.org/wiki/Esther#Origin_and_meaning)
2) When Eshter asked the king if Jews can kill their enemies, king granted the permission (http://www.biblegateway.com/passage/?search=esther%208:11-8:...)
"The Chilean Guava (Ugni molinae, also called Myrtus ugni or Eugenia ugni)"
I would say that if this is the best we have, then it's pretty certain it's not the Israelis who did this.
On the other hand, if you solve the puzzle, maybe you can sell your story to Hollywood.
There are countries with DD-MM-YYYY or MM-DD-YYYY, so you really do have to put the year first to avoid ambiguity. However the 79 in 1979 cannot be a month or a day.
Subtlety, obfuscation, and misdirection; welcome to the Middle East.