The economics of English towns and trade in the Middle Ages is the economic history of English towns and trade from the Norman invasion in 1066, to the death of Henry VII in 1509. Although England's economy was fundamentally agricultural throughout the period, even before the invasion the market economy was important to producers. Norman institutions, including serfdom, were superimposed on a mature network of well established towns involved in international trade. Over the next five centuries the English economy would at first grow and then suffer an acute crisis, resulting in significant political and economic change. Despite economic dislocation in urban areas, including shifts in the holders of wealth and the location of these economies, the economic output of towns developed and inten