taken from @LouisXIVtoday
1 March, their Majesties travel to #Versailles in order to spend the day there.
3 March, their Majesties go to the Louvre to visit the Princesse Palatine (Anne de Gonzague) in order to state their condolences on the demise of her mother-in-law, la Reine de Bohême (Elizabeth Stuart). Afterwards, they attend the sermon of Abbé Bossuet.
4 March, the interrogation of Monsieur Fouquet, who had been arrested the previous year, begins.
5 March, the King goes to the Louvre to attend a sermon there.
6 March, their Majesties receive the nuncio Piccolomini, as well as Monsieur de Fargues, sent by Cardinal Barberini, to compliment them on the birth of the Dauphin.
8 March, their Majesties leave for Saint-Germain, where his Majesty intends to enjoy the hunt for some days.
10 March, their Majesties return to Paris from Saint-Germain. After which their Majesties and the court attend the second Sermon sur la Providence by the Abbé Bossuet at the Louvre.
12 March, talk has it that the Abbé Bossuet has chosen the topic for his Lenten sermons to reproach the King for his merry-making with Mademoiselle de La Vallière, who seems to be very embarrassed by it all.
13 March, the King grants an audience to the envoy of the town of Spire and the envoy of the Duc de Brunswick as well as the envoy of the town of Avignon, who all bring their best wishes upon the birth of the Dauphin.
14 March, their Majesties visit Madame, who, by the grace of God, seems to be cured of her unwell being.
15 March, his Majesty leaves for Versailles to hunt in its vast forests.
16 March, the King attends the races at the Grand-Ecurie and takes place in three of them, which he wins.
18 March, their Majesties sign the contract of marriage of Monsieur de Louvois and Mademoiselle de Courtenvaux (Anne de Souvré). The first line of the carrosses à cinq sols, consisting of seven carriages, going forth and back from the Porte Saint-Antoine to Palais de Luxembourg, is taken into service.
19 March, Monsieur de Louvois has today married Mademoiselle de Courtenvaux. May their marriage be blessed with happiness.
20 March, his Majesty receives the Marquis Ville, ambassador of Savoy, and the envoy of Brandenbourg, who bring their compliments upon the birth of the Dauphin.
circa 20 March, the King names the Duc de Vivonne (Louis-Victor de Rochechouart de Mortemart) his ambassador for the Imperial Diet at Ratisbonne.
22 March, Abbé Bossuet, at the Louvre, holds a Lenten sermon on the topic of death. Their Majesties, the Queen and Queen-Mother, are present and so is much of the court, apart from his Majesty, who is said to be displeased with the Abbé.
24 March, his Majesty, in presence of the nuncio Piccolomini, eight ambassadors and twenty-two foreign representatives, receives the Marquis de La Fuente, who brings a note of the King of Spain, regarding the incident which took place in London the previous year.
25 March, Annunciation, the King and court attend a sermon at the Louvre.
26 March, the King goes to the Couvent des Carmélites of the faubourg Saint-Jacques, where the Queens have retired to for their devotions.
27 March, their Majesties, at six o’clock in the morning, go to Monsieur and Madame to congratulate them on the birth of their first child, a girl, on this fine day. Talk has it Madame was disappointed in regards of the gender of her child and exclaimed “jeter à la rivière” upon being informed it was a girl. Their Majesties sign the contract of marriage between the Marquis de Villeroy and Mademoiselle de Brissac (Marie-Marguerite de Cossé-Brissac), whose marriage took place today.
28 March, Madame de Mazarin has today given birth to a little girl. It is said the child was born in a carriage, for Monsieur de Mazarin insisted for his wife, in the last stages of pregnancy, to accompany him to the country.
29 March, his Majesty enjoys the hunt in the surroundings of Paris.
31 March, his Majesty and Monsieur, his brother, attend mass at the chapelle de le religieuses de Miséricorde of the faubourg Saint-Germain.