Editing Chastre (section)

== History ==
In the early 10th century, half of Cortil (''Curtils'') was owned by [[Guibert of Gembloux|Saint Guibert]] (''Wichpertus''). He donated it to [[Gembloux Abbey]], which he had just founded, in 936. The donation was confirmed in a charter of [[Otto I, Holy Roman Emperor]], in 946.<ref>{{Cite web|url=http://www.corpusetampois.com/cls-10-946otton1gembloux.html|title=Otton Ier: Confirmation de donations faites à l'abbaye de Gembloux 20 septembre 946|website=Corpus Latinum Stampense|language=French}}</ref>

Chastre was a municipality of the [[Dyle (department)|Dyle department]] under the French regime.

===Postal history===

The Chastre-Villeroux post office opened on 10 May 1876, that of Gentinnes on 28 April 1905, that of Blanmont on 27 November 1908.<ref>Catalogue Spécialisé des Oblitérations Belges, 1849-1910, Nationale en Internationale Postzegelmanifestaties Antwerpen (NIPA), Antwerp, 1999.</ref>

Chastre has had the postal code 1450 since at least October 1990.<ref>Les numéros postaux belges en vigueur à partir du 1/10/1990, La Poste.</ref>

In 1969 (before the merger of municipalities in 1977) the postal codes were:<ref>Liste des Numéros Postaux, Administration des Postes, Bruxelles 1969.</ref> - 5860 Chastre-Villeroux-Blanmont - 5861 Cortil-Noirmont - 5862 Gentinnes - 5863 Saint-Géry.