Louis Philippe I, Duke of Orléans (born 1725)

Louis Philippe I, Duke of Orléans, known as le Gros, was a French royal of a cadet branch of the House of Bourbon. The First Prince of the Blood after 1752, he was the most senior male at the French court after the immediate royal family. He was the father of Philippe Égalité. He greatly augmented the already huge wealth of the House of Orléans.

November 18 is the 322nd day of the year in the Gregorian calendar; 43 days remain until the end of the year.