When Lorraine was recovered by France in 1919 it was decided not to return Briey to its former Department which is why, in terms of departmental boundaries, the town remains administratively separated from the eastern portion of the Briey Basin.
It was decided not to return Briey to its former Department. This former Department is. The town remains administratively separated from the eastern portion of the Briey Basin. This is in terms of departmental boundaries. Lorraine was recovered by France in 1919.