The Regent of France proposes a marriage between 11-year-old Louis XV and 4-year-old Spanish Infanta Maria Anna Victoria to seal peace with Spain. He also offers his 12-year-old daughter Mademoiselle de Montpensier to marry the 14-year-old Prince of Asturias. The ceremonies are hastily organized, with the princesses to be exchanged on a small island along the bordering river.
L'échange des princesses
The 1721 marriage proposal between Louis XV of France and Maria Anna Victoria of Spain was a strategic move by the French Regent to secure peace with Spain.