Happy feast of St. Pius V!
Amen!
Have you read De Mattei's Saint Pius V: The Legendary Pope Who Excommunicated Queen Elizabeth I, Standardized the Mass, and Defeated the Ottoman Empire (https://isidore.co/calibre/#panel=book_details&book_id=5176) (2021)?
No, I don't think I have heard of the book till now. It looks like an interesting read. Thank you!