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(yü`lĭkh), former duchy, Germany, between Cologne and Aachen. At first a county, Jülich was raised to a duchy in 1356, and in 1423 it was united with the county of BergBerg
, former duchy, W Germany, along the right bank of the Rhine River between the Ruhr and Sieg rivers. Düsseldorf was its chief city. A county in the 12th cent., Berg passed (1348) to the dukes of Jülich and in 1380 was made a duchy.
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. After the extinction of the Jülich line, both Jülich and Berg passed (1521) to Duke John III of Cleves (see Cleves, duchy ofCleves, duchy of,
former state, W Germany, on both sides of the lower Rhine, bordering on the Netherlands. Cleves was the capital. A county from late Carolingian times, it acquired (late 14th cent.) the county of Mark, in Westphalia, and in 1417 was made a duchy.
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). The struggle that broke out in 1609 for the succession to the territories of the dukes of Cleves ended in 1666. Jülich and Berg passed to the Palatinate-Neuburg branch of the Bavarian house of Wittelsbach and the rest to the electors of Brandenburg. Occupied by the French from 1794 to 1814, the territory was assigned (1815) to Prussia at the Congress of Vienna.


town (1994 pop. 31,780), North Rhine–Westphalia, W Germany. It has some light industry and is the seat of a nuclear research center. Originally a Roman settlement known as Juliacum, Jülich was chartered in the mid-13th cent. and served as the capital of the former duchy of Jülich. The town was almost totally destroyed in World War II.



a historical region in Germany, now in the Federal Republic of Germany; located in the Land (state) of North Rhine-Westphalia.

Originally a county, Jülich became a margravate in 1336 and a duchy in 1360. In 1423 it was united with the duchy of Berg, and from 1511, Jülich and Berg were both ruled by the duke of Cleves. When the line of the dukes of Cleves ended, a dispute broke out between the German Catholic and Protestant princes. This dispute developed into an acute international conflict foreshadowing the Thirty Years’ War (1618–48). As a result of the struggle for the Jülich-Cleves succession, Jülich passed to the Catholic Palatinate-Neuburg. From 1777 it was under the jurisdiction of the ruler of Bavaria. It was seized by French troops in 1794 and annexed to France in 1801. The Congress of Vienna (1814–15) gave almost all of Jülich to Prussia.

References in periodicals archive ?
edu and the Juelich Supercomputing Centre in Germany (http://www.
The third-ranked supercomputer worldwide, Roadrunner, at the Los Alamos National Laboratory and Germany's Forschungszentrum Juelich Jugene supercomputer, which is ranked fifth, both make use of Force10 E-Series switch/router to provide a dynamic connectivity to the supercomputer's high speed Ethernet networks.
Now, a group at the Research Centre Juelich in Germany has proposed a technique they call Hilbert spectroscopy.
lt;p>The highest-ranking newcomer is an IBM BlueGene/P system in Germany called JUGENE and is installed at the Forschungszentrum Juelich research center.
Of the 27 studies, 16 are revised from presentations to a June 2004 conference in Juelich, Germany; the rest are historical articles that trace understanding of links between language and the brain from the middle of the 19th century to 1976.
A prototype of such a reactor was already in operation since 1975 at Juelich, Germany.
Use of a tensor polarized deuteron target avoids the 1/A suppression, and a test using a few hundred MeV polarized proton beam is planned for the COoler SYnchrotron storage ring facility (COSY) at the Institut fur Kernphysik (IKP) Juelich, Germany by the Time Reversal Invariance Test at COSY collaboration (TRIC).
but it's all about offering our customers choice, and by carrying a lower-priced service it should enable people to take advantage of the Internet's benefits,'' said Mollie Juelich, a spokeswoman for Richfield, Minn.
An international team of researchers, led by Walter Oelert of the Institute for Nuclear Physics Research in Juelich, Germany, announced the accomplishment last week.
Los Alamos National Laboratory and Germany's Forschungszentrum Juelich, Ranked #3 and #5 Respectively on the 2010 Top500.
The above achievements would not have been possible had it not been for the close collaboration and sharing of expertise between The Cyprus Institute and world leading computational centres such as NCSA located at the University of Illinois in the USA ( and the Juelich Supercomputing Centre in Germany ( ).
Through an agreement with the Neumann Institute for Computing in Juelich, Germany, Hansmann can use the institute's supercomputer to model the shape of malformed proteins.