Beiuș (; ) is a city in Bihor County, Romania near the Apuseni Mountains. The river Crișul Negru flows through Beiuș, and the city administers a single village, Delani (Gyalány). Between the late 18th and very early 20th centuries, Beiuș constituted one of the most important learning centres of the Romanian language in Crișana. Demographics According to the 2011 Census, Beiuș has a population of 10,667 inhabitants. The ethnic structure of the population is: Romanian 89.8% Hungarian 7.3% Roma 2.6% Other 0.3% History Beiuș's earliest mention in recorded history was in the year 1263, where it was mentioned as being burned down during a Mongol invasion in 1241. After some Ottoman occupation, it was conquered in 1691 by the Habsburg empire as confirmed by the Treaty of Karlowitz in 1699. After the Austro-Hungarian Compromise of 1867 it was ruled by the Hungarian administration, until the Great Romanian Union in 1918. Timeline Estate of the Oradea Bishopric is mentioned for the first time in the Regestrum Varadiensis. It was mentioned under Benenus in 1291, Belinis in 1300 and Benenes in 1309. 1451 Became a royal free city under John Vitez of Zredna. Seal of Beiuș showing Ladislaus I of Hungary inscribed around: "Sigillum Oppidi Belenes" 1552 Oradea Bishopric tithe list counts more than 420 settlement houses. 1570 Under the Speyer Agreement, the Prince of Transylvania ruled this region. 1660 The Ottoman Empire conquered Beiuș. 1691 The Habsburg Empire conquered Beiuș. 1692 A census mentions 9 Hungarian families. 1715 A census mentions 29 Hungarian families. 1720 52 Hungarian families and 22 Romanian families lived in the city. 1754 A Romanian secondary school opens, the second in Transylvania after the one at Blaj. 1777 Maria Theresa of Austria founded Greek Catholic Bishopric with the residence in Oradea and endowed the Bishopric with an estate in Beiuș. Bishop Ignațiu Darabant (1738-1805) erected the Greek Catholic Church of Saint Demetrius Bishop Samuil Vulcan (1806–1893) set up the Greek-Catholic secondary school in Beiuș and endowed it with everything necessary. 1850 1250 Romanian and 950 Hungarian families lived in the city. 1914 2134 Hungarians and 1974 Romanians lived in Beiuș. 2002 Around 9,800 Romanians and around 900 Hungarians live in Beiuș. Places to see Today, Beiuș is a peaceful place, combining few ethnicities and three times as many religions as in previous times. The city contains superb architectural edifices, including a few old churches and the "Samuil