Tribes Celt got settled since the 1st millennial before J. C. 
To the North the Médiomatrices and to the South the Leuqueses. 
Of the 1st century before J.C. to IV ème century after J.C. 
The Roman Lorraine knows the prosperity. 

Of 511 to 751, she is called the Austrasie. Her capital is Metz. 
It is his/her/its first political entity. She is to the origin of the Carolingian dysnasty. 
The treaty of Verdun offers the region to Lothaire 1st in 843. 
Lothaire II forms the Lotharingie kingdom in 855. 

Charles the Bald and Louis the Germanic shares the kingdom by the treaty of Meerssen in 870. 
France and Germania argue it. 
The Lotharingie is finally connected in Germania in 925 
In 960 she/it is shared in Bass-Lotharingie or Lothier and High-Lotharingie or Lorraine. 
Principalities detach themselves of this last duchy. 
It is for example Three-bishoprics of Metz, Toul and Verdun.

Of 1301 to 1532 it is the time of Dukes. 
One sees the rival influences of the Burgundy, the empire and France there. 
1473 to 1508, the duke René II, oppose to the uniting of the Lorraine in the Burgundy. 
Charles the Daring dies to doors of Nancy in 1477. 
The autonomy of the duchy of Lorraine is recognized by Charles Quint in 1532. 
France takes possession of three-bishoprics in 1552. 

Of 1545 to 1608: the wealth of the duchy is assured by the duke Charles III. 
The empire and France argue the duchy of 1624 to 1738. 
The father-in-law of Louis XV, Stanislas Leszczynski gives up him the Tuscany against the duchy of 1738 to 1766. 
To the death of Stanislas, in 1766, Louis XV inherits the Lorraine. 
In 1815, the Lorraine includes the Saar. 
Since Louis XIV makes part of the Germanic Confederation. 
A part of the such Lorraine the city of Metz is German of 1871 to 1918.