The story of Henry Tudor's march to Bosworth and the throne of England began long before the fatal summer of 1485, with his birth in Pembroke Castle. The gigantic fortress where he spent his childhood years lay some 12 miles inland from the spot where Henry was supposed to have landed in Milford Haven when he came to challenge Richard III in August 1485.Henry's landing and progress to Bosworth Field were a gamble, but by 1485 the last of the Lancastrian...