The Cathedral Basilica of St. Louis Gonzaga is the main church in the city of Novo Hamburgo, Rio Grande do Sul.
[1] The foundation of the future Church was started on January 7, 1924, after purchasing land with 9.650m ², where it is today the Cathedral Basilica of St. Louis Gonzaga.
The new church was planned to be built with three naves, and average lengths of 25m by 18m wide by Architect Jose Lutzenberger, and the works were sponsored by the Construction Breidenbach Mosmann & Cia.
On March 21, 1954, inaugurated a part of the Matrix and the next day the chapel was demolished in 1924 (his material was sent to build a parish in the district Rondônia, called Lady.
In 1959 was contracted Italian painter Aldo Locatelli to make the sacred paintings of São Luiz Gonzaga, patron of St. Louis Parish and that today one can see in the presbytery of this church.