Groß-Umstadt

After the conquest of Alemannic territory by the Franks, they established royal fortifications in order to secure control of the area. One such was undoubtedly established in Umstadt, the center of government of the Umstaedter Mark, which included the current municipalities of Otzberg, Höchst im Odenwald, Breuberg and Schaafheim as well as Umstadt itself. At that time Umstadt had the status of a market town as well as a church and the seat of a Count. The first documentary evidence of the district was in 743 under the name of "Autmundisstat", which signified "Autmund's town" (possibly Edmund's). Another possible origin of the name is "ad montes" (near the mountains). In 766 Princely Abbey of Fulda acquired the ownership of the Umstaedter Mark, and by 985 it owned three churches, mills and vineyards here.

By 1263 or earlier, Umstadt had obtained town privileges as well as a town wall.

Konrad IV of Hanau incurred substantial debts in connection with his election as Prince Abbot of Fulda in 1373. He attempted to recoup these debts from the Princely abbey of Fulda after he came to power. Thus in 1374 he mortgaged the Otzberg Castle, the town of Hering and parts of Umstadt to his nephew Ulrich IV for 23,875 guilders (florins). Other parts were taken over by Electoral Palatinate, resulting in a condominium. There is physical evidence for this in two palaces: the Hanau Palace (German: Hanauer Schloss) which originated from the first moated palace at the town's NE corner, and the Palatinate Palace (German: Pfälzer Schloss) at the opposite corner. Between these were the mansions of the burghers of the town, including the seat of the Wambolts of Umstadt, which soon eclipsed the palaces of both lords of the town.

In 1504 the town was conquered by Landgrave Wilhelm II of Hesse, who occupied it until the ownership of the town was clarified by the Diet of Worms in 1521. This resulted in another condominium, this time between Hesse and the Palatinate. As compensation Hanau received 12,000 guilders and several nearby villages, viz. Harpertshausen, Kleestadt, Langstadt and Schlierbach.[3]

Under this common ownership the town developed until shortly before the Thirty Years' War; the still extant town hall was built from 1596.

During the war the town was protected by its strong fortifications, preventing major destruction, but nevertheless there was great suffering, not least during the plague in 1634–36.[4]

The town was briefly occupied and laid waste by a force of 600 dragoons under the Marquis of Barbistere in December 1688 during the War of the Palatine Succession.[5]

In 1802 the Landgraviate of Hesse-Darmstadt took over the joint dominion of the town, which was the 2nd most important town of the district of Dieburg which was founded at that time. From 1857 the town adopted the name of Gross-Umstadt to distinguish it from Klein-Umstadt and Wenigumstadt. Many factories were established in the town after it obtained a railway connection.

In the election of 1933, 60% of the inhabitants voted for the Nazis, and in 1938 the town's synagogue was desecrated. After WW2 the town's population grew to about 22,500 following several expansions to its boundaries. There is now a substantial Portuguese community.

• 800 - 100
• 985 - 200
• 1604 - 1,000
• 1636 - 424
• 1816 - 2,780
• 1905 - 3,580
• 1945 - 4,500
• 1990 - 9,087

(December 31)

• 1998 - 21,175
• 1999 - 21,338
• 2000 - 21,403
• 2001 - 21,571
• 2002 - 21,620
• 2003 - 21,685
• 2004 - 21,724
• 2005 - 22,600