Complex sentence: In 1965, during the fourth centenary of the Christianization of the Philippines, Pope Paul VI elevated the church to the rank of minor basilica; it remains under the care of the Order of St. Augustine.
Split into simpler sentences: In 1965, during the fourth centenary of the Christianization of the Philippines, Pope Paul VI elevated the church to the rank of minor basilica. The basilica remains under the care of the Order of St. Augustine.