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> Jan & Feb were added later. At which point it was no longer the tenth month.

• tommymachine 6y ago
  My tenth son will always be my tenth son. Though his birthday falls 10 months after that of my twelfth son (whose birthday came in the second month of the calendar year in which he was born), my tenth son will always have come out of the womb tenth!
  • dwaite 6y ago
    > My tenth son will always be my tenth son. Unless you find you had two other sons you didn't know about.
    • tommymachine 6y ago
      In that case, he would have never been my tenth son, I would have only thought he was. No matter how hard we try, birth order is one of those things that can’t be changed, even with a revelation. Our mental model of it can be corrected, but the order itself is immutable.