The special expands on this limited story to include events before the birth of Jesus.
This means that 2,000 years from the birth of Jesus actually passed a few years ago.
It is important that the birth of Jesus was unique.
It is possible to arrive at a probable date for the birth of Jesus.
He tells more about the birth of Jesus than the other gospel writers.
The reasons are complicated, but let's just say they involve their having been present at the birth of Jesus.
It describes the events leading up to the birth of Jesus.
We see it, for example, in the birth of Jesus.
"Christmas is supposed to be a day to celebrate the birth of Jesus."
People did pretty complicated things before the birth of Jesus too, ya know.