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24: The Prince’s Diploma
In a display case, we show the Prince’s Diploma of 1834, the elevation of Count Peter to the rank of prince by the Prussian King Frederick William III, as a sign of gratitude for liberating Prussia from the yoke of Napoleon.
This allowed him, as well as his descendants, to bear the title of “Serene Highness”.
Tsar Nicholas I declared his appreciation to “the saviour of Saint Petersburg” by appointing him field marshal in 1826.
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