- A few words of history ...
- In the year 300 AD when the Romans occupied Gaul, a legionary (Massius) was granted by Emperor Maximilian, for his merits and his bravery, Gaudon Mount and its surroundings. He moved there with his family and built a villa. It is from this period that the city took the name of Massy.
- In 555, the time of the Merovingians, the rich agricultural area Massy is offered as a gift, by Childebert at the Abbey of Saint-Germain-des-Pres.
- 600 is based in a town that will develop over the centuries, despite the vicissitudes of time.
- In 1216 the castle is built of Vilgénis, which Prince Jerome Bonaparte became the owner in 1852.
- In 1777, Louise La Porte, Baroness Massy, married Prince Grimaldi of Monaco. Today, Prince Albert of Monaco is also the second title of Baron Massy.
- In 1900, account Massy 1200 inhabitants who live according to country traditions.
- 1923 remains a milestone in the history of the city, which has finally electricity.
- In June 1940, the exodus of Parisians and the terrible bombing in June 1944 preceded the ministerial decision of 1958 to establish in the region, where remaining agricultural activities, a public housing complex.
- The Famous Men:
- Jacques Tenon, surgeon, imposed in hospitals installing beds and established the first maternity ward.
- Nicolas Appert, a chemist, inventor of the process, universally adopted, food preservatives.
- Fustel de Coulanges, historian, laid the foundations of modern history. His book "The ancient city" refers since its release in 1864.
- Jerome Bonaparte, youngest brother of Napoleon I, lived and died in Castle Vilgénis.
- Leon Poliakov: CNRS researcher, an expert at the Nuremberg trials. Author of numerous books, many of which are devoted to the Holocaust.
- Pierre Picard, Inspector of telecommunications, invented the method of multiple transmissions on a single wire.
- Paul Bailliart, ophthalmologist at "fifteen to twenty" in Paris. Lecturer. Former Mayor of Massy published in 1947 the book "History of Massy.