History of the Palace of Versailles but was never finished due to the king's death. Significant among Louis XV's contributions to Versailles were the "petit appartement du roi"; the "appartements de Mesdames", the "appartement du dauphin", the "appartement de la dauphine" on the ground floor; and the two private apartments of Louis XV – "petit appartement du roi au deuxième étage" (later transformed into the "appartement de Madame du Barry") and the "petit appartement du roi au troisième étage" – on the second and third floors of the palace. The crowning achievements of Louis XV's reign were the construction of the Opéra and the Petit Trianon.
Petit four Petit four A petit four (plural: petits fours, also known as mignardises) is a small bite-sized confectionery or savoury appetizer. The name is French, "petit four" (), meaning "small oven". In 18th and 19th century France, gas ovens did not exist. Huge brick ovens were used, which took a long time to heat up but also to cool down. Bakers used the ovens during the cooling process, taking advantage of their stored heat, for baking pastry. This was called baking "à petit four" (literally "at small oven"), a lower temperature which allowed pastry baking. Petits fours come in three varieties: