The museum includes controversial wording that reflects a long-running dispute over the role of Pope Pius XII during World War II.

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There has also been persistent speculation by historians that during World War II, Pope Pius XII drew up a document stating that if he were to be kidnapped by the Nazis he was to be considered to have resigned, and a successor should be chosen.

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In his desire to bring dissident Catholics back into the mainstream Church, Pope Benedict has been negotiating with a traditionalist Catholic Group based in Switzerland, known as the Society of Saint Pius X, which roundly rejects the reforms of Vatican II.

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She was declared venerable by Pope Pius XII in 1943 and then beatified by Pope John Paul II in 1980.

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Pius X, who split from Rome precisely over the Vatican II reforms, in particular its call for Mass in the vernacular and outreach to other religions, especially Judaism and Islam.

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This included setting up a spy network (known as The Sodality of Pius) to report any scholars and scientists suspected of believing things that most Catholics after Vatican II take for granted: freedom of religion, as well as respect for the traditions of non-Catholic faiths, and of course acceptance of the theory of evolution.

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