Besides, if Bolesław was born on 2 September, Gallus probably would be noted that this was the day after the celebration of Saint Giles (1 September), which was attributed to be the intercessor of his birth.
Selain itu, jika Bolesław dilahirkan pada tanggal 2 September, Gall mungkin akan dicatat bahwa ini adalah hari setelah perayaan Santo Gilles (1 September), yang berkaitan dengan perantara kelahirannya.