Prince Philip, Duke of Edinburgh three years, his four sisters married German noblemen and moved to Germany, his mother was placed in an asylum after being diagnosed with schizophrenia, and his father took up residence in Monte Carlo. Philip had little contact with his mother for the remainder of his childhood. In 1933, he was sent to Schule Schloss Salem in Germany, which had the "advantage of saving school fees" because it was owned by the family of his brother-in-law, Berthold, Margrave of Baden. With the rise of Nazism in Germany, Salem's Jewish founder, Kurt Hahn, fled persecution and founded Gordonstoun School in Scotland. After
Prince Philip, Duke of Edinburgh Windsor to London and admitted to King Edward VII Hospital after being diagnosed with an infection. He spent two nights in the hospital and was unable to attend the State Opening of Parliament and Royal Ascot. Prince Philip retired from his royal duties on 2 August 2017, meeting Royal Marines in his final solo public engagement, aged 96. Since 1952 he had completed 22,219 solo engagements. Prime Minister Theresa May thanked him, via Twitter, for "a remarkable lifetime of service". On 20 November 2017, he celebrated his 70th wedding anniversary with the Queen, which made her the first British monarch