The Psalter of Bonne de Luxembourg is a small 14th-century illuminated manuscript in tempera, grisaille, ink and gold leaf on vellum, now in the collection of The Cloisters, New York.
 It was probably executed for Bonne de Luxembourg, Duchess of Normandy, daughter of John the Blind and the wife of John II of France, probably at the end of her husband's life, c 1348-49.
 At the time illuminated manuscripts could compete with monastic scriptora and panel painting as commercially attractive donor portraits. Bonne de Luxembourg died of plague in 1349.
Luxembourg City Hall (French: "Hôtel de ville de Luxembourg" ) is the city hall of Luxembourg City, in southern Luxembourg.
 The city hall is the centre of local government, including being used as the private office of the Mayor of Luxembourg City.
 Due to its position in Luxembourg's capital, it also regularly plays host to foreign dignitaries.
 It is located on the southwestern part of Place Guillaume II (nicknamed "Knuedler"), the main square in the centre of the city.
The 2011 Tour de Luxembourg cycling race was the 71st running of the Tour de Luxembourg.
 It was won by Linus Gerdemann from Germany, a member of the Luxembourg-based team, .
 Gerdemann became in doing so the first German to ever win the Tour de Luxembourg.
The Tour de Luxembourg is an annual stage race in professional road bicycle racing held in Luxembourg.
 The Tour de Luxembourg is classified as a 2.
HC, the highest rating below the World Tour, by the Union Cycliste Internationale (UCI), the sport's governing body.
 In 2006, the Tour was part of the UCI Europe Tour.
 Held in late May to early June, the event is sometimes used by riders as a preparation race for the Tour de France.
Jean le Noir was a French manuscript illuminator active in Paris between 1335 and 1380.
 He was a pupil of Jean Pucelle.
 His main work is the "Psalter of Bonne de Luxembourg" (c. 1348-1349, New York, The Cloisters, Inv.
 69.
 86.)
Bonne of Luxemburg or "Jutta of Luxemburg" (20 May 131511 September 1349), was born Jutta (Judith), the second daughter of John the Blind, king of Bohemia, and his first wife, Elisabeth of Bohemia.
 She was the first wife of King John II of France; however, as she died a year prior to his accession, she was never a French queen.
 Jutta was referred to in French historiography as Bonne de Luxembourg.
 She was a member of the House of Luxembourg.
 Among her children were Charles V of France, Philip II, Duke of Burgundy, and Joan, Queen of Navarre.
The Luxembourg Philharmonic Orchestra (Luxembourgish: "Lëtzebuerger philharmoneschen Orchester" , French: "Orchestre philharmonique du Luxembourg" ), abbreviated to OPL, is a symphony orchestra based in Luxembourg City, Luxembourg.
 The orchestra formerly performed at the Grand Théâtre de la Ville de Luxembourg and the Conservatoire de Luxembourg.
 Its current home is the Philharmonie Luxembourg, a large concert hall opened in 2005 in the Kirchberg quarter in the northeast of the city.
John the Blind (Luxembourgish: "Jang de Blannen" ; German: "Johann der Blinde von Luxemburg" ; ; 10 August 1296 – 26 August 1346) was the Count of Luxembourg from 1309 and King of Bohemia from 1310 and titular King of Poland.
 He was the eldest son of the Holy Roman Emperor Henry VII and his wife Margaret of Brabant.
 He is well known for having died while fighting in the Battle of Crécy at age 50, after having been blind for a decade.
Philip I de Croÿ (1435–1511) was Seigneur de Croÿ and Count of Porcéan.
 Philip I was a legitimate heir to the powerful House of Croÿ.
 He was the eldest surviving son of Antoine de Croy, Comte de Porcéan and Margaret of Lorraine-Vaudémont.
 Philip was raised with Charles the Bold, who arranged Philip's marriage to Jacqueline of Luxembourg in 1455.
 The bride's father, Louis de Luxembourg, Count of Saint-Pol, was extremely against the alliance and attempted to win his daughter back by force, but the Count of Porcéan closed the borders of Luxembourg and announced that the marriage had been consummated.
 He was also Governor of Luxembourg and Ligny.
Luxembourg (Luxembourgish: "Lëtzebuerg" , French: "Luxembourg" , German: "Luxemburg" ), also known as Luxembourg City (Luxembourgish: "Stad Lëtzebuerg" or "d'Stad ", French: "Ville de Luxembourg" , German: "Stadt Luxemburg" ) , is the capital city of the Grand Duchy of Luxembourg (also named "Luxembourg"), and the country's most populous commune.
 Standing at the confluence of the Alzette and Pétrusse rivers in southern Luxembourg, the city lies at the heart of Western Europe, situated 213 km by road from Brussels, 372 km from Paris, and 209 km from Cologne.
 The city contains Luxembourg Castle, established by the Franks in the Early Middle Ages, around which a settlement developed.

Question: What is the birthdate of this Count of Luxembourg and King of Bohemia, who was father of Psalter of Bonne de Luxembourg?
Answer: 10 August 1296