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A splendid Gala Performance at the Drottningholm Palace Theatre in Stockholm on this day in 1956. Front Row From L-R: Princess Margaret of the United Kingdom (wearing the Halo Scroll Tiara), the Duke of Edinburgh, Queen Louise of Sweden (wearing the Baden Fringe Tiara), Prince Bernhard of the Netherlands, Queen Elizabeth II (wearing the Girls of Great Britain and Ireland Tiara and the Brazilian Aquamarine Parure), King Gustaf VI Adolf of Sweden, Grand Duchess Josephine Charlotte of Luxembourg (wearing the Belgian Scroll Tiara), then Crown Prince Olav of Norway, Princess Alice, Duchess of Gloucester (wearing the Gloucester Honeysuckle Tiara), and Prince Wilhelm of Sweden. Back Row: Princess Margretha of Sweden (wearing Queen Louise’s Tiara), Princess Eugenie of Greece (wearing the Radziwiłł Tiara), and Princess Desiree of Sweden.
(UPDATE- the occasion seems to be the around the same time as the Olympic equestrian games, which took place right after the British State Visit to Sweden in 1956. Thanks to JR on Twitter)
