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The conclusions of this meeting were opposed under the pen name "Janus." One leading voice at this meeting was the driving force behind the Falloux Law, Felix Dupanloup, who allied here with the leader of the Croatian Nationalist Party, Joseph Strossmayer. A group of three hundred people who opposed this meeting's conclusions met at Munich under the leadership of J.J. von Dollinger. This meeting declared (*) anathema on anyone who disbelieved in miracles, condemned all opposition to Ultramontanism, and enacted several principles first put forth in the Syllabus of Errors. This meeting produced Dei Filius and Pastor Aeternus, which made dogmatic the notion of Papal infallibility. For 10 points, Pius IX presided over what council of the Catholic Church in 1869?
The conclusions of this meeting were opposed under the pen name "Janus.
the First Vatican Council [or Vatican I; prompt on Vatican Council]