Gunday's child

M-day's child is fair of face,
Drill-day's child is full of grace,
Gun-day's child is breastless and blind,
Shell-day's child is out of its mind,
Bomb-day's child will always be dumb,
Cannon-day's child can never quite come,
But the child that's born on Battle-day is blithe and bonny and rotted away.