Il 29 June 1622, Brother Gabriele Conte di Ferrara sent an Italian and a Spanish Brother to Neuburg, on the Danube, to visit Duke Wolfgang Wilhelm. Exactly 400 years later, on 29 June 2022, 60 guests - Brothers and affiliated lay people - took up the invitation of the Bavarian Province to celebrate this important historic milestone together in Neuburg. A total of 30 Brothers gathered from the Austrian Province (with Provincial Delegations in the Czech Republic, Slovakia and Hungary), the Polish Province and naturally from Bavaria. The Religious Houses in these countries originally belonged to the Vienna-based Province of St Michael the Archangel, including the Hospital of St Wolfgang in Neuburg until 1781.

From Vienna, Brother Gabriel Conte di Ferrara tried to spread the Order north of the Alps. With this aim, an Italian Brother, Bartolomeo Bonicontro, and his Spanish Brother Maximilian Veiga left for Neuburg. "They left with many uncertainties in their baggage," remarked the Bavarian Provincial, Brother Rudolf Knopp, in his welcome at the beginning of the Eucharist in the chapel of St Augustine's House. They wondered: would the Duke grant their request to found a hospital? - Duke Wolfgang Wilhelm proved to be entirely in favour of the Order and signed the Founding Charter on 11 November of the same year.

"Hospitality burned in their hearts," said the Provincial again, speaking of the two Brothers who arrived in Neuburg in the summer of 1622, "they did not fear hardships and deprivation so that the charism of John of God would also be implanted in Germany". The founder of the Order, John of God, was also remembered by Bishop Bertram Meier in his homily. The Bishop thanked the Brothers "for their faithful and generous service at St Augustine's in Neuburg".

At the end of the Mass, Brother Rudolf Knopp conferred the parchment of affiliation to the Order on three important personalities for the Order in Bavaria.