In 1924, Louis de Broglie proposed that all particles behave to an extent like waves.

* 1706 – Louis de Cahusac, French playwright and librettist, and Freemason ( d. 1759 )

* 1644 – Louise de La Vallière, French mistress of Louis XIV of France ( d. 1710 )

de Pompadour, Louis XV's mistress, who was considered the most powerful woman in France at the time.

* 1779 – Louis de Freycinet, French explorer ( d. 1842 )

* 1892 – Louis de Broglie, French physicist, Nobel Prize laureate ( d. 1987 )

* 1767 – Louis Antoine de Saint-Just, French military leader and politician ( d. 1794 )

** Louis de Montfort

In 1752, the French astronomer Nicolas Louis de Lacaille subdivided it into Carina ( the keel, or the hull, of the ship ), Puppis ( the poop deck, or stern ), and Vela ( the sails ).

Antlia was created in 1756 by the French astronomer Abbé Nicolas Louis de Lacaille, who created fourteen constellations for the southern sky to fill some faint regions.

De Amore was written at the request of Marie de Champagne, daughter of King Louis VII of France and of Eleanor of Aquitaine.

Louis de Wohl worked as an astrologer for the British intelligence agency MI5, after it was claimed that Hitler used astrology to time his actions.

* 1713 – Louis, 4th duc de Noailles, French peer and Marshal of France ( d. 1793 )

* Schmidt, Hanns Peter: The Origin of Ahimsa, in: Mélanges d ' Indianisme à la mémoire de Louis Renou, Paris 1968

Toward the latter half of the 17th century, Louis XIV founded his ' Académie Royale de Musique et de Danse ', where specific rules for the execution of every dance and the " five positions " of the feet were formulated for the first time by members of the Académie.

After the French chemists Louis Nicolas Vauquelin, Louis Jacques Thénard, and Joseph-Louis Gay-Lussac approved the experiments of the young pharmacist Balard, the results were presented at a lecture of the Académie des Sciences and published in Annales de Chimie et Physique.

" Approval from Louis arrived on 27 June: Tallard was to reinforce Marsin and the Elector on the Danube via the Black Forest, with 40 battalions and 50 squadrons ; Villeroi was to pin down the Allies defending the Lines of Stollhofen, or, if the Allies should move all their forces to the Danube, he was to join with Marshal Tallard ; and General de Coignies with 8, 000 men, would protect Alsace.

* Louis de Blois ( 1506 – 66 )

In addition to Bonaparte himself, Louis Alexandre Berthier, Auguste de Marmont, Jean Lannes, Joachim Murat, Louis Desaix, Jean Reynier, Antoine-François Andréossy, Jean-Andoche Junot, Louis-Nicolas Davout and Dumas were all passengers on the cramped Mediterranean crossing.

The Saint-Esprit church was part of a bigger complex built by Louis XI to care for pilgrims to Santiago de Compostela.

* http :// www. chateaudevayres. com / home. html In French and English, with views of the Castle by Louis de Foix, the 16th century French Engineer who deviated the River Adour near Bayonne.

A costume design for Louis XIV as The Rising Sun, from the final entrée of Le Ballet de la Nuit ( 1653 ).

For the Grand Alliance – Austria, England, and the Dutch Republic – the battle had followed an indecisive campaign against the Bourbon armies of King Louis XIV of France in 1705.

One notable use was during the French Revolution, when the dethroned King Louis XVI ( a member of the House of Bourbon and a direct male-line descendant of Hugh Capet ) and Queen Marie Antoinette ( a member of the House of Habsburg-Lorraine ) were referred to as " Louis and Antoinette Capet " ( the queen being addressed as " the Widow Capet " after the execution of her husband ).

They were parents to a daughter, Louise Borgia, Duchess of Valentinois, ( 1500 – 1553 ) who first married Louis II de La Tremouille, Governor of Burgundy, and secondly Philippe de Bourbon ( 1499 – 1557 ), Seigneur de Busset.

The new Bourbon King, Louis XVIII, however, granted amnesty to David and even offered him the position of court painter.

Whatever the truth Olympia, rather than face trial, subsequently fled France for Brussels in January 1680, leaving Eugene in the care of his father's mother, Marie de Bourbon, and her daughter, Hereditary Princess of Baden, mother of Prince Louis of Baden.

In the autumn he had made a will bequeathing the whole of the Spanish possessions to Prince Philip of Bourbon, a grandson of Louis XIV backed by France.

King Louis XIV of France eventually " won " the War of Spanish Succession, and control of Spain passed to the Bourbon dynasty.

France was served by some very efficient commanders such as Louis II de Bourbon ( Condé ) and Henry de la Tour d ' Auvergne ( Turenne ).

Louis II de Bourbon joined the Spanish army this time, but suffered a severe defeat at Dunkirk ( 1658 ) by Henry de la Tour d ' Auvergne.

Louis II de Bourbon had captured Franche-Comté, but in face of an indefensible position, Louis XIV agreed to a peace at Aachen.

The new National Constituent Assembly was heavily composed of royalist symphathizers of both the Legitimist ( Bourbon ) wing and the Orleanist ( Citizen King Louis Phiippe ) wing.

* 1342 – Louis I, Duke of Bourbon ( b. 1279 )

Because of the aura of holiness attached to his memory, many kings of France were called Louis, especially in the Bourbon dynasty, which directly descended from one of his younger sons.

* 1793 – Louis de Bourbon, French admiral ( b. 1725 )

Bourbon France challenged Habsburg Spain's supremacy in the Franco-Spanish War ( 1635 – 59 ); gaining definitive ascendancy in the War of Devolution ( 1667 – 68 ), and the Franco-Dutch War ( 1672 – 78 ), under the leadership of Louis XIV.

The Bavarian prince would have been the lawful heir to the Spanish throne under Philip IV's will, and remained a far less threatening candidate than those directly in the Bourbon or Habsburg lines, despite the willingness of both Leopold I and Louis XIV to defer their claims onto a junior branch of their Houses: Leopold to his younger son, the Archduke Charles, and Louis to the Dauphin's younger son, Philip, the Duke of Anjou.

* June 16 – Louise-Françoise de Bourbon, eldest daughter of Louis XIV and Madame de Montespan ; she built the Paris Palais Bourbon where she died ( b. 1673 )

* April 6 – Bourbon Restoration: Louis XVIII is invited to occupy the restored French throne.

* May 4 – Françoise-Marie de Bourbon, youngest daughter of Louis XIV and Madame de Montespan, wife of Philippe d ' Orléans, le Régent ( d. 1749 )

* September 8 – Louis II de Bourbon, Prince de Condé, French general ( d. 1686 )

* December 23 – Henry III of France strikes his ultra-Catholic enemies, having the Duke of Guise and his brother, Cardinal Louis of Guise, killed, and holding the Cardinal de Bourbon a prisoner.