Due to the superstitious belief that the number 13 is unlucky.
i think a long time ago people thinked that 13 was a bad luck number
Unlucky Luck - 1908 was released on: USA: May 1908
It is because people believe that the number 13 is consisdered bad luck. I don't know why it is consisdered this, but, the number 13 is apparently unlucky.
Many cultures over the years have tried to associate certain numbers as lucky or unlucky, with no evidence at all. e.g. 13 people at the Last supper, so 13 is (apparently) unlucky. I do not believe in luck, I believe in probability. Your birthdate is neither lucky or unlucky.
The word 'unlucky' is an adjective form of the noun luck.
Apollo 13 was unlucky one ,the date was also 13 and time was 13 minutes.
No why would it possibly be unlucky?
It's unlucky only if you believe it is.
The unlucky number in Russia is 13.
the number 13 is unlucky because there were 13 steps to the gaols (the haging rope)
Unlucky.