Conversation so far:
what is mission san buenaventura used for today
San Buenaventura Mission was restored in 1957, and it is used today as a parish church.
when was mission san buenaventura founded
Mission San Buenaventura was founded on March 31, 1782
who founded mission san buenaventura
Mission San Buenaventura was established by Father Junípero Serra.
who was mission san buenaventura named after
Mission San Buenaventura was named after Saint Bonaventure, a 13th century Franciscan saint and Doctor of the Church.

Question: when was the saint canonized
Self-contained rewrite: when was saint bonaventure canonized