Roman Catholic Diocese of Lausanne, Geneva and Fribourg in a papal brief of 20 September 1819, the city of Geneva and twenty parishes belonging to the old Diocese of Geneva (which in 1815 had become Swiss) to the See of Lausanne. The bishop (in 1815 Petrus Tohias Yenni) retained his residence at Fribourg, and since 1821 has borne the title and arms of the Bishops of Lausanne and Geneva. His vicar general resides at Geneva, and is always parish priest of that city. Bishop Yenni died on 8 December 1845 and was succeeded by Etienne Marilley. Deposed in 1848 by the Cantons of Berne, Geneva, Vaud and Neuchâtel,
History of Geneva icons on one hand and to prohibit the celebration of Mass on the other. This move increased further the flight of Catholics from the city into Savoy territories. Following another unsuccessful invasion of Geneva by Savoy forces in October 1535, which ended in a Savoy defeat at Gingins, the Grand Council decided on February 3, 1536 on the destruction of all castles around Geneva in order not to allow any princes another pretext for invading their city. On May 21, 1536, the Genevans declared themselves Protestant by taking a public oath of allegiance to the Lutheran faith where all residents