Upper Lusatia in the context of "Zittau"

Languages of science are vehicular languages used by one or several scientific communities for international communication. According to the science historian Michael Gordin, scientific languages are "either specific forms of a given language that are used in conducting science, or they are the set of distinct languages in which science is done." These two meanings are different, since the first describes a distinct prose in a given language (i.e., scientific writing), while the second describes which languages are used in mainstream science.

Until the 19th century, classical languages—such as Latin, Classical Arabic, Sanskrit, and Classical Chinese—were commonly used across Afro-Eurasia for international scientific communication. A combination of structural factors, the emergence of nation-states in Europe, the Industrial Revolution, and the expansion of colonization entailed the global use of three European national languages: French, German, and English. Yet new languages of science, such as Russian and Italian, had started to emerge by the end of the 19th century—to the point that international scientific organizations began promoting the use of constructed languages such as Esperanto as a non-national global standard.

Upper Sorbian (endonym: hornjoserbšćina), occasionally referred to as Wendish (German: Wendisch), is a minority language spoken by Sorbs in the historical province of Upper Lusatia, today part of Saxony, Germany. It is a West Slavic language, along with Lower Sorbian, Czech, Polish, Silesian, Slovak, and Kashubian. It is now spoken by fewer than 10,000 people, mostly in Budyšin and its immediate countryside.

Upper Sorbian differs from its closest relative, Lower Sorbian (with which it forms the Sorbian subgroup), at all levels of the language system: in phonetics, morphology, and vocabulary. At the same time, the two languages share a number of features that distinguish them from other West Slavic languages—in particular, the preservation of the dual number, the retention of simple past tense forms of verbs, and an especially large number of lexical borrowings from German. Several linguistic features link Upper Sorbian with the Lechitic languages, while in a number of other features it is similar to the Czech-Slovak subgroup.

Lusatia (/luːˈseɪʃiə, -ʃə/; German: Lausitz [ˈlaʊzɪts] ; Polish: Łużyce [wuˈʐɨt͡sɛ] ; Upper Sorbian: Łužica [ˈwuʒitsa]; Lower Sorbian: Łužyca [ˈwuʒɨtsa]; Czech: Lužice [ˈluʒɪt͡sɛ]), otherwise known as Sorbia, is a region in Central Europe, territorially split between Germany and Poland. Lusatia stretches from the Bóbr and Kwisa rivers in the east to the Pulsnitz and Black Elster rivers in the west, and is located within the German states of Saxony and Brandenburg and the Polish voivodeships of Lower Silesia and Lubusz. Major rivers of Lusatia are the Spree and the Lusatian Neisse, which defines the border between Germany and Poland. The Lusatian Mountains of the Western Sudetes separate Lusatia from Bohemia (Czech Republic) in the south. Lusatia is traditionally divided into Upper Lusatia, the hilly southern part, and Lower Lusatia, the flat northern part.

The areas east and west along the Spree in the German part of Lusatia are home to the Slavic Sorbs, one of Germany’s four officially recognized indigenous ethnic minorities. The Upper Sorbs inhabit Saxon Upper Lusatia, and the Lower Sorbs Brandenburgian Lower Lusatia. Upper and Lower Sorbian are spoken in the German parts of Upper and Lower Lusatia respectively, and the signage there is mostly bilingual.

The House of Hunyadi was one of the most powerful noble families in the Kingdom of Hungary during the 15th century. A member of the family, Matthias Corvinus, was King of Hungary from 1458 until 1490, King of Bohemia (ruling in Moravia, Lower Lusatia, Upper Lusatia, and Silesia) from 1469 until 1490, and Duke of Austria from 1487 until 1490. His illegitimate son, John Corvinus, ruled the Duchy of Troppau from 1485 until 1501, and five further Silesian duchies, including Bytom, Głubczyce, Loslau, Racibórz, and Tost, from 1485 until 1490. The Hunyadi coat-of-arms depicted a raven with a golden ring in its beak.

The founder of the family, Voyk, received the eponymous Hunyad Castle (in present-day Hunedoara, Romania) from Sigismund, King of Hungary, in 1409. His ethnicity is the subject of scholarly debate. Some modern historians describe him as a Vlach, or Romanian, knez or boyar, from either Wallachia or Transylvania. Others describe him as a Cuman or Slav nobleman. According to the 15th-century historian, Johannes de Thurocz, Voyk moved from Wallachia to Transylvania. Voyk's oldest son, John Hunyadi, was often mentioned as a "Vlach" by his contemporaries.

Görlitz ([ˈɡœʁlɪts] ; Lower Sorbian: Zgórjelc; Upper Sorbian: Zhorjelc [ˈzhɔʁʲɛlts] ; Polish: Zgorzelec [zɡɔˈʐɛ.lɛt͡s] ; Czech: Zhořelec [ˈzɦor̝ɛlɛt͡s]; East Lusatian: Gerlz, Gerltz, Gerltsch) is a town in the German state of Saxony. It is on the river Lusatian Neisse and is the largest town in Upper Lusatia, the second-largest town in the region of Lusatia after Cottbus, and the largest town in the German part of the region of Silesia. Görlitz is the easternmost town in Germany and lies opposite the Polish town of Zgorzelec, which was the eastern part of Görlitz until 1945. The town has approximately 56,000 inhabitants, which make Görlitz the sixth-largest town in Saxony. It is the seat of the district of Görlitz. Together with Zgorzelec it forms the Euro City of Görlitz/Zgorzelec, which has a combined population of around 86,000.

Görlitz, first mentioned in 1071, developed as a key trading town on the Via Regia route linking Western and Eastern Europe. In the Late Middle Ages, it prospered through the cloth trade and became a member of the Lusatian League, enjoying considerable autonomy. The town came under Bohemian, Hungarian, Austrian and Saxon rule before becoming part of Prussia in 1815 after the Congress of Vienna. During World War II, Görlitz was spared major destruction, but the new Oder–Neisse line in 1945 divided it from its eastern districts, which became Zgorzelec in Poland. In the GDR era, Görlitz was a border town with limited cross-border contact, but after German reunification and Poland’s EU accession, cooperation with Zgorzelec increased. Today, Görlitz is renowned for its well-preserved historic architecture and frequent use as a film location.

Herrnhut (German: [ˈhɛʁnhuːt] ; Upper Sorbian: Ochranow; Czech: Ochranov; Upper Lusatian: Harrnhutt, Harrnutt) is a town of around 6,000 inhabitants in Upper Lusatia, in the district of Görlitz, in eastern Saxony, Germany. The town is mainly known as the place of origin of the community of the Moravian Church (established by Nicolas Ludwig, Count von Zinzendorf in 1722), and of the Moravian Stars (Herrnhuter Sterne).

In 2016, the town was awarded the honorary title European City of the Reformation by the Communion of Protestant Churches in Europe, and in 2024, Herrnhut was inscribed on the World Heritage List as part of the serial site "Moravian Church Settlements" (Siedungen der Herrnhuter Brüdergemeinde) alongside Christiansfeld (Denmark), Bethlehem (USA) and Gracehill (Northern Ireland). Herrnhut lies between the larger towns of Löbau and Zittau in the hilly foreland of the Zittau Mountains on the Petersbach, the longest headstream of the Pließnitz, a tributary of the Lusatian Neisse.

The Spree (/ʃpreɪ, spreɪ/ S(H)PRAY, German: [ʃpʁeː] ; Sorbian languages: Sprjewja, Lower Sorbian: [ˈsprʲɛwʲa], Upper Sorbian: [ˈspʁʲɛwʲa]; in Lower Sorbian also called Rěka) is a river in Germany and the Czech Republic. With a length of approximately 400 kilometres (250 mi), it is the main tributary of the Havel River. The Spree is much longer than the Havel, which it flows into at Berlin-Spandau; the Havel then flows into the Elbe at Havelberg. The river rises in the Lusatian Highlands, in the Lusatian part of Saxony, where it has three sources: the historical one called Spreeborn in the village of Spreedorf [de], the water-richest one in Neugersdorf, and the highest elevated one in Eibau. The Spree then flows northwards through Upper and Lower Lusatia, where it crosses the border between Saxony and Brandenburg. After passing through Cottbus, it forms the Spree Forest (German: Spreewald), a large inland delta and biosphere reserve. It then flows through Lake Schwielochsee before entering Berlin, as Müggelspree [de] (pronounced [ˈmʏɡl̩ˌʃpʁeː] ).

The Spree is the main river of Berlin, Brandenburg, Lusatia, and the settlement area of the Sorbs, who call the river Sprjewja; the name derives ultimately from Proto-Germanic *spreutaną "to spring forth". For a very short distance close to its sources, the Spree constitutes, as Spréva, the border between Germany and the Czech Republic. The Spree's longest tributaries are Dahme (confluence in Berlin-Köpenick) and Schwarzer Schöps (Čorny Šepc; confluence in Boxberg/O.L.-Sprey [de]), other well-known tributaries (since they are Berlin rivers) are Panke and Wuhle.

Mieszko II Lambert (Polish pronunciation: [ˈmjɛʂkɔ ˈdruɡʲi ˈlambɛrt] ; c. 990 – 10/11 May 1034) was King of Poland from 1025 to 1031 and Duke from 1032 until his death.

He was the second son of Bolesław I the Brave but the eldest born from his third wife, Emnilda of Lusatia. He organized two devastating invasions of Saxony in 1028 and 1030. Then, he ran a defensive war against Germany, Bohemia and the Kievan princes. Mieszko II was forced to escape from the country in 1031 after an attack by Yaroslav I the Wise, who installed Mieszko's older half-brother Bezprym on the Polish throne. Mieszko II took refuge in Bohemia, where he was imprisoned by Duke Oldrich. In 1032 he regained power in one of Poland's three districts, then united the country, making good use of the remaining power structures. At this time, several Polish territorial acquisitions of his father were lost: Upper Lusatia (also known as Milsko), part of Lower Lusatia, Red Ruthenia, the western and central parts of Upper Hungary (now Slovakia) and probably Moravia.