Jimmy Akin has a series of posts on another board in which he looks at the ever-popular, yet seasonal issue of when Jesus was born.

The 100-Year Old Mistake About the Birth of Jesus
Jesus’ Birth and when Herod the Great *Really* Died
Does Luke Contradict Himself on When Jesus Was Born?
What Year Was Jesus Born? The Answer May Surprise You
This is a short precis of his material.Read more »