May 16th 1770; Marie Antoinette, at age 14, married the future King Louis XVI of France, who was 15.
On May 16, 1770, their French wedding was held at Versailles in the Chapel Royal. Her wedding dress was decorated with diamonds and pearls. After a formal dinner and the blessing of their bed by the Archbishop of Reims, Marie Antoinette and Louis-Auguste were escorted to their bedroom. They did not consummate their marriage until August 1777 according to a letter she wrote to her mother on August 30, 1777.