#Transylvania history

• Agathyrsi — An ancient population of Scythian or Thracian stock that inhabited the current territory of Transylvania, along the Mureș river valley, during the first millennium BC. Historically mentioned by Herodotus, they were renowned for their wealth in gold, their custom of tattooing their bodies and hair with blue designs as a sign of nobility, and for their laws transmitted orally in the form of chanted verses.
• Alba Iulia — A first-rank municipality in Romania, capital of Alba county, situated in the historical region of Transylvania, on the banks of the Mureș River. The city holds a supreme national symbolic value, being the place where the Great Union of December 1, 1918 was officially proclaimed and where the Kings of Greater Romania were crowned in 1922. It houses the largest Vauban-style fortress in Southeastern Europe, named Alba Carolina.
• Aloman — A Romanian surname with ancient regional-historical onomastic roots, predominantly found in the Transylvania region; also, a designation attributed to local topographic features (such as the Aloman Valley). From an etymological and structural viewpoint, the name may derive from an archaic nickname or from a local adaptation of migratory or regional terms, preserved in cadastral archives and civil status documents.
• Alsó-Fehér — The historical Hungarian designation (Alsó-Fehér) used in the past for the Lower Alba County, a former structural administrative unit within the Transylvania region. This historical territory, with its administrative seat at Aiud, existed until the administrative reorganization following World War I, marked by important demographic, political, and economic events in the intra-Carpathian space.
• Alvinczy — An aristocratic surname of Hungarian origin, historically closely linked to Transylvania; an onomastic form derived from the toponym 'Alvinc' (the Hungarian name for Vințu de Jos locality in Alba county). In European history, the name is famous due to Baron József Alvinczy, a field marshal of the Habsburg Empire, known for his military campaigns against Napoleon Bonaparte in Italy.
• Alvinț — An old regional form, archaic phonetic variant, or popular name used in the past for the Vințu de Jos locality in Alba county (structurally correlated with the Hungarian name Alvinc or Saxon Alwintz); a geographic and historical reference point in Transylvania. It appears documented in Transylvanian administrative charters and travelogues from past centuries to denote the settlement located on the banks of the Mureș River.
• Ampoiu — A traditional, historical, or regional spelling for the Ampoi River, frequently encountered in old dictionaries, 18th and 19th-century maps, and the local dialect of the Apuseni Mountains communities. Although modern geographical standards have fixed the short form, this vocalized or articulated variant remains preserved in historical records and derived toponyms such as Presaca Ampoiului.
• Apáczai Csere — The surname of János Apáczai Csere (1625–1659), a renowned Transylvanian scholar, encyclopedic philosopher, theologian, and humanist educator of Hungarian ethnicity, who pioneered the introduction of Cartesianism and modern educational methods in Transylvania. His fundamental work, 'Magyar encyclopaedia' (1655), published in Utrecht, represents the world's first encyclopedia written in Hungarian, playing a structural role in developing regional scientific and academic vocabulary.
• Gold washer — A regional or archaic term used in Transylvanian mining communities to designate a washer of auriferous sands, a seeker of alluvial gold along watercourses, or a worker in a sand quarry; in a generalized sense, the term referred to a person who manually exploited sedimentary deposits from mountain riverbeds.
• Avram Iancu — The name of a major historical figure of Romania, the legendary leader of the 1848 Revolution in Transylvania (1824–1872), nicknamed 'The Little King of the Mountains' for his dedication and military genius in organizing the defense of Romanian communities in the Apuseni Mountains. As a toponym, it designates several localities in Alba and Bihor counties, streets, squares, and educational institutions across the national territory, symbolizing the fight for freedom, social justice, and national dignity.