The Good Friday procession of the church is one of the largest in the country with more than 100 religious floats of sceneries showing the stories from the book of the evangelists from the new Testament and Lenten scenes paraded.

The first baptism in Baliwag Church was ordered by Lector and Feliz Trillo, Provincial of the Province on June 7, 1733.

The town or pueblo was created in the provincial Chapter of May 15, 1734, and the appointment of Manuel Bazeta (or Baseta) as first parish priest.

[1] Joaquín Martínez de Zúñiga in his 1803 Historia de las Islas Filipinas,[8] wrote that the convent or parochial house of San Agustin in Baliwag is the best in the whole archipelago, and that no edifice in Manila can be compared to it in symmetry and beauty amid its towering belfry, which has a panoramic view of the town.

It was later used by the RVM Sisters of the Colegio de la Sagrada Familia (now St. Mary's College of Baliuag) as a classroom.

Antonio de Mesa, "Maestrong Tonio" fabricated the parts to have finished the Baliwag Church.

The Filipinos gathered at the plaza of the St. Augustine church after the Mass, and thereafter the officials were selected based on the qualifications for voters set by the Americans.

His engineer, Bert Iral did the face lift, restored the rectory and the main building including the addition of the marble slabs for the departed.

The August 27, 1996, Telethon-Concert dubbed as "Ang Lahat ng ito'y para sa'yo Panginoon" resulted the inflow of PHP 2 million donations.

Last February 1, 2021, the venerated image of La Purisima Concepcion de Baliwag (Ang Birhen sa Patio) was episcopally crowned by Bishop Dennis Villarojo.

On February 13, 2024, Dennis Villarojo presided over a Concelebrated Solemn Declaration Mass, conferring the title of Dicosesan Shrine upon Baliwag Church.

Carlo Sebastian Mendoza's last assignment was Prefect of Discipline, Graduate School of Theology, Immaculate Conception Seminary at Barangay Tabe-Tuktukan, Guiguinto.

In 2021, he served as the Diocesan Shrine and Parish of Nuestra Señora de la Asuncion assistant priest until his sabbatical leave due illness.

He recently underwent angioplasty and spinal cord surgery at the Cardinal Santos Medical Center at Greenhills West, San Juan, Metro Manila.

The National Historical Commission of the Philippines turned over on 28 November 2024, the rediscovered and restored five-foot wooden late 18th century statue of Augustine of Hippo.

Its massive limestone, gravel and sand, steel and bricks structure had been designed to withstand revolts and rebellions, as evidenced by its fortresses facade.

The stones and bricks of the two-level facade topped by a triangle pediment, are in danger of pulverizing for lack of protective "paletada", which can be readily seen at the right niche wherein portions of the decorative carvings have started to disintegrate (as of 2008).

[14] The procession around the town is joined by the parishioners along with floats (carozas or carriages) of life-size dioramas depicting scenes during the time of Jesus.

[15] The families of Baliwag launch over a hundred richly adorned giant floats depicting the passion of Jesus Christ.