1670 in France

Events from the year 1670 in France.

Incumbents

January - Françoise-Marguerite, daughter of Marie de Rabutin-Chantal, marquise de Sévigné, marries the Comte de Grignan.
1 June - At Dover, England, Louis XIV and Charles II of England sign the Secret Treaty of Dover, ending hostilities between their kingdoms. Louis will give Charles 200,000 pounds annually. In return, Charles will relax the laws against Catholics, gradually re-Catholicize England, support French policy against the Dutch Republic, and convert to Catholicism himself.
14 October - The première of Molière's 5-act comédie-ballet Le Bourgeois gentilhomme is performed by his troupe with himself in the title rôle before Louis XIV and the royal court at the Château de Chambord, with incidental music by Jean-Baptiste Lully.
21 November - The première of Racine's tragedy Berenice takes place with the Comédiens du Roi at the Hôtel de Bourgogne in Paris.
24 November - Louis XIV authorises work to commence on construction of Les Invalides, the veterans' hospital in Paris.
The first French settlers arrive at the Petite Côte of modern-day Senegal.
Jean Picard calculates the Earth radius to within 0.44% of the modern value.

17 January - Jean Leurechon, Jesuit priest and mathematician
21 January
*Honorat de Bueil, seigneur de Racan, aristocrat, soldier, poet, dramatist and original member of the Académie française
*Claude Duval, highwayman, hanged in England
2 March - François-Henri Salomon de Virelade, lawyer
10 March - Ludovicus a S. Carolo, Carmelite scholar, writer, and bibliographer
9 April - Samuel de Sorbiere, physician, philosopher, and translator
28 April - Alexandre de Prouville de Tracy, aristocrat, statesman and military leader
10 May - Claude Vignon, painter
14 June - François Annat, Jesuit theologian
11 September - Jeanne Chezard de Matel, mystic
28 September - Alexander Morus, Calvinist preacher
11 October - Louis Le Vau, architect