The Lotharii Regnum ( Latin for " kingdom of Lothar " ), also called Middle Kingdom, was the middle part of the Frankish Empire, which fell to after the division of the kingdom of August 10, 843 in the Treaty of Verdun Emperor Lothair I as the immediate royal dominion. This sprawling centerpiece of the Empire, which was Lothar remained as eldest son of the 840 late Emperor Louis the Pious after losing the power struggle against his brother Louis the German and his half-brother Charles the Bald, stretching from the North Sea to the Mediterranean, from Friesland, the Netherlands, Aachen, the Rhineland, Burgundy, Provence and northern Italy to the imperial city of Rome in Italy.
Historians refer to this area because of its shape and extent therefore jokingly referred to as " bowling alley ".
Division of Prüm
While still alive, told Lothar his kingdom in September 855 in the division of Prüm between his three sons Lothar II, Charles and Louis II on: Lotharingia (Friesland, Netherlands and Rhineland ) in the north, Burgundy and Provence in the south-west and Italy in the south east.
Italy (and thus the Roman imperial dignity ) inherited Ludwig II
After Ludwig's death in the year 875 were Italy and the imperial title in the West Frankish kingdom of Charles the Bald, Italy later in the eastern kingdom of Carloman; Finally, it won 951 Otto the Great.
Provence and Burgundy
Provence and the media empire owned, larger part of Burgundy ( the smaller part that nowadays " Burgundy " ( " Bourgogne " ) called region at the center of today's France, had already been 843 of the West Frankish kingdom ) fell to Charles of Provence.
After Charles died childless of Provence in 863, the northern, smaller part of Burgundy of the German, the southern, larger part of Burgundy and Provence to the Italy of Louis II and after his death in 875 came to the eastern kingdom of Louis to the West Frankish kingdom of Charles the Bald.
After the Bald 's death in 877 Charlemagne founded in southern Boso of Vienne 879 the Kingdom of Lower Burgundy; by Charles the Fat 's death in 888 called in the north of Guelph, Rudolf I of the Kingdom of Upper Burgundy.
Under Otto the Great united again, the kingdom of Burgundy was in 1033 under Emperor Conrad II part of the Holy Roman Empire.
Successor Lothair I as King in the north of the kingdom (but without the imperial dignity ), Lothar II; He gave the area the name " Lotharingia " ( " that which Lothar listened ").
The East Frankish king Louis the German, Uncle Lothar II and middle brother Lothar I, received the eastern part Lotharingiens, the West Frankish king Charles the Bald, After Lothar II died in 869, the former Middle Kingdom 870 was redistributed in the Treaty of Meersen half- uncle and half brother Lothar II Lothar I, the western part.
879 gave the grandson of Charles the Bald, 880 fixed in writing in the contract of Ribemont, also this western part of the East Frankish Lotharingiens King Ludwig III. ; thus belonged Lotharingia from now on ( with an interruption 911-925 ) in its entirety to the eastern kingdom and formed in the Duchy of Lorraine.
959 the duchy was divided into the duchies of Upper Lorraine and Lower Lorraine.
Ruler of Lotharingia
- 843-855 Lothar I, Emperor and King
- 855-869 Lothar II, son of Lothair I, King
- 869-877 Charles II the Bald, brother Lothar I, in the western part
- 877-879 Louis II the Stammerer, son of Charles II, in the western part
- 869-876 Louis II the German brother Lothar I, in the eastern part
- 876-882 Louis III. the younger son of Louis II, in the east, from 879 in the western part
- 882-887 Charles III. the thickness brother of Louis III. , as king of Ostfrankenreichs
- 887-895 Arnulf of Carinthia, as king of Ostfrankenreichs
- 895-900 Zwentibold, son of Arnulf as king under his father
- 900-911 Louis IV the child son of Arnulf, as king of Ostfrankenreichs to 904-910 Gebhard, Count in the Wetterau to 904 duke of Lorraine
- 911-915 Reginhar I, Count of Hainaut, Margrave
- 915-922 Wigerich, Count Palatine of Lorraine
- 923-939 Giselbert, Count of Hainault, Duke
- 939-940 Henry of Saxony, Duke of Lorraine
- 940-944 Henry, Count of Hainault, Duke of Lorraine
- 940-944 Otto von Verdun, Count of Verdun, Duke of Lorraine
- 944-953 Conrad the Red, Duke of Lorraine, Count in the Duchy of Franconia
- 953-959 Brun, Archbishop of Cologne, Duke of Lorraine
- 959-978 Frederick I of Bar
- 978-1027 Dietrich I of Bar
- 1019-1026 Frederick II of Bar as co-regent