Constitution.

http://data.archives-nationales.culture.gouv.fr/instantiation/041158-c1p6sk5vz84z--1gf1wlutj0bst-i1 an entity of type: Instantiation

Constitution. 
xsd:date 1751-03-10 
10 mars 1751 
MC/ET/III/946 
Constitution. 

data from the linked data cloud