On the 31st October 1517, the foundations of the Protestant Reformation were laid when Martin Luther reputedly nailed his ‘Ninety-five Theses’ to the door of All Saints’ Church in Wittenberg – a town in the German state of Saxony-Anhalt.

On the 11th October 1521, Pope Leo X granted the title “Defender of the Faith” to King Henry VIII of England.

The 22nd June 1633 saw Galileo Galilei, the famed scientist, was found “vehemently suspect of heresy” by the Papal Inquisition and forced to recant his belief in the heliocentric universe originally put forward by Copernicus ninety years previously.

Born Giovanni Maria Mastai-Ferretti, Pius IX’s election by the Papal conclave of 1846 came at a time of significant political unrest across Europe.