This important state measure was no sooner completed, than the Great Council was summoned, on the 1st February, to assist the Emperor in the selection of a new spouse. They were given to understand, that a match with a Grand Duchess of Russia had been proposed, but was likely to be embarrassed by disputes concerning religion. A daughter of the King of Saxony was also mentioned, but it was easily indicated to the Council that their choice ought to fall upon a Princess of the House of Austria. At the conclusion of the meeting, Eugene, the son of the repudiated Josephine, was commissioned by the Council to propose to the Austrian ambassador a match between Napoleon and the Archduchess Maria Louisa.[32] Prince Schwartzenberg had his instructions on the subject; so that the match was proposed, discussed, and decided in the Council, and afterwards adjusted between plenipotentiaries on either side, in the space of twenty-four hours.[33] The espousals of Napoleon and Maria Louisa were celebrated at Vienna, 11th March, 1810. The person of Buonaparte was represented by his favourite Berthier, while the Archduke Charles assisted at the ceremony, in the name of the Emperor Francis. A few days afterwards, the youthful bride, accompanied by the Queen of Naples, proceeded towards France. With good taste, Napoleon dispensed with the ceremonies used in the reception of Marie Antoinette, whose marriage with Louis XVI., though never named or alluded to, was in other respects the model of the present solemnity. Near Soissons, a single horseman, no way distinguished by dress, rode past the carriage in which the young Empress was seated, and had the boldness to return, as if to reconnoitre more closely. The carriage stopped, the door was opened, and Napoleon, breaking through all the tediousness of ceremony, introduced himself to his bride, and came with her to Soissons.[34] The marriage ceremony was performed at St. Cloud by Buonaparte's uncle, the Cardinal Fesch. The most splendid rejoicings, illuminations, concerts, festivals, took place upon this important occasion. But a great calamity occurred, which threw a shade over these demonstrations of joy. Prince Schwartzenberg had given a distinguished ball on the occasion, when unhappily the dancing-room, which was temporary, and erected in the garden, caught fire. No efforts could stop the progress of the flames, in which several persons perished, and amongst them even the sister of Prince Schwartzenberg. This tragic circumstance struck a damp on the public mind, and was considered as a bad omen, especially when it was remembered that the marriage of Louis XVI. with a former Princess of Austria had been signalized by a similar disaster.[35]