 Calumpit is recognized as the first site of the evangelization by the Augustinian Order in Northern Luzon.The mission field covered present-day Bulacan province and some areas of Pampanga such as Macabebe, Apalit, and Candaba (although some references attribute Calumpit as part of Pampanga or one of the Alcaldias of region La Pampanga during the early years of Spanish colonisation of the Philippines) together with other Alcaldias such as Betis and Lubao.Calumpit was established as a prior in May 3, 1572 along with the churches of Lubao and Betis.