On April 24, 1793, the double betrothals between the two royal sons of Prussia and the two Mecklenburg princesses were celebrated at Darmstadt. At the encampment of Mainz, Goethe saw the royal brothers and their fiancées walking through the canvas streets. Hidden in his own tent he was entranced by their charms: "Amid all the terrible and tumultuous memories of the war, the recollection of those two young ladies rises up before me like a heavenly vision, which having been once seen can never be forgotten." Princess Louisa may not even have known of Goethe's presence in the camp, but she knew his works well and admired especially his shorter poems. She certainly cherished the recollection of her stay in the great poet's house at Frankfort, in recognition of which Prince Charles Frederick of Mecklenburg had presented to Frau Goethe, as a token of thanks, a beautiful snuffbox which was to her almost a sacred relic. On December 21st, Prince Charles Frederick, with his daughters and their grandmother, arrived at Potsdam, where they were awaited by the impatient bridegrooms. It was a day of universal joy, and every window of the city was illuminated when the royal visitors passed under the triumphal arch. Two days later there was a solemn entrance into Berlin. Universal was the admiration excited by the uncommon beauty and unaffected grace of the princesses. The foundation of Queen Louisa's popularity was laid. On Christmas eve, 1793, all the members of the royal family assembled in the apartments of the queen, where the diamond crown of the Hohenzollerns was placed upon Louisa's head. The entire court then betook themselves to the apartments of Elizabeth Christine, the unfortunate widow of Frederick the Great. What a contrast between this happy union of love, and that of the poor Princess of Brunswick who had been forced upon the unwilling Frederick! We learn from the court records that Louisa's bridal dress was entirely of silver lace, simply made, but that her corsage glittered with diamonds corresponding to those of the crown on her head.