June 21, 1574: Felipe II bestowed upon Luzon the title of "Nuevo Reino de Castilla" (New Kingdom of Castilla)
On June 21, 1574, King Felipe II of Spain, bestowed upon Luzon the title of "Nuevo Reino de Castilla" (New Kingdom of Castilla), and on Manila that of "Insigne y siempre leal Ciudad" (Distinguished and Ever Loyal City) and permitted the establishment of a new municipal office.