Treaty of Regensburg References Treaty of Regensburg Europe [1630] Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of EncyclopƦdia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Cardinal Richelieu/ First minister of Franceā¦refusal to ratify the peace Treaty of Regensburg in 1630, and the Habsburgsā appeal to Pope Urban VIII to excommunicate Louis XIII for this supposed breach of faith. Read Moreā¦refusal to ratify the peace Treaty of Regensburg in 1630, and the Habsburgsā appeal to Pope Urban VIII to excommunicate Louis XIII for this supposed breach of faith. Read More