When and how did St. James the Greater die?

James (brother of John) also known as James the Greater died a martyr's death "by the sWord" at the hands of Herod Agrippa I around 44 AD.

"It was about this time that King Herod arrested some who belonged to the church, intending to persecute them. He had James, the brother of John, put to death with the sWord." - Acts 12:1-2