1575, Governor-General Francisco Sande order to include Hagonoy in Calumpit. In 1575, Bulakan was established as a visita of Tondo, and it is not part of Calumpit as the boundary between Tondo and Calumpit was marked in Mambog River and placed the statue of Our Lady of Visitacion (patroness of Calumpit) was erected. It was gone and recreated in 1997 upon the re-establishment of the Roman Catholic Parish of Our Lady of Presentacion in Malolos. On April 30, 1578, Bulakan town was officially established by the Augustinians with Fray Diego Vivar as its first prior and the convent was dedicated to San Agustin when it was changed to Our Lady of Assumption was uncertain. It was reported that the western part of the present-day Bulacan was to be very well populated and rich. No exact date and year when Alcaldia de Calumpit was dissolved and the exact foundation year of the Province of Bulacan. It was only documented that Malolos (then part of Calumpit in 1572) was first to appear as part of Alcaldia de Bulacan was in 1582. It may be assumed that the reorganization of encomiendas has occurred between 1580 and 1582 at the time of Governor-General Gonzalo Ronquillo de Penalosa. Same document also from the 1582 Relacion de las Islas Filipinas by Miguel de Loarca reports that Alcaldia de Calumpit have the jurisdiction in the areas of Calumpit (capital) Capalangan, Cabangbangan and Hagonoy as its villages. Then Loarca was mentioned that Alcaldia de Bulacan have Bulakan (capital) Malolos, Caluya, Guguinto, Binto and Catanghalan (instead of Meycauayan) as its encomiendas which formerly have one alcalde (mayor) but he said that Alcaldia de Bulacan was formed in 1580 at the time of Penalosa. In the document of Governor-General Luis Perez de Dasmarinas in the Account of the Encomiendas for the King of Spain furnished on June 21, 1591. Dasmarinas mentioned that Alcaldia of Bulacan was part of La Pampanga with the Encomiendas subject to it such as the Encomiendas of Malolos (3,600 persons), Binto (2,000 persons), Guiguinto (2,000 persons), Caluya (2,800 persons), Mecabayan (2, 800 persons) and Bulacan identified as " capital" and residence of "alcalde mayor" with 4,800 persons. In the same 1591 document, it was mentioned that Calumpit y Hagonoy belongs to Juan Moron with the 12,800 persons, 2 Augustinian Convents, and 1 Alcalde Mayor of its own. However, the establishment and development of the southern part