1) Luke provides a historical account of Jesus' birth in Bethlehem, noting that Caesar Augustus issued a decree for a census that required Joseph and Mary to travel from Nazareth to Bethlehem. 2) Mary gave birth to Jesus and placed him in a manger because there was no room for them in the inn. 3) The story fulfills Old Testament prophecies of the Messiah being born in Bethlehem and highlights how even secular rulers like Augustus unknowingly played a role in God's salvation plan.