All articles starting with S
44,216 articles
Szeged Zoo
Szeged Zoo (Szegedi Vadaspark) is a 45-hectare zoo in Szeged, Hungary, opened in 1989 and the country's largest by area, specializing in rare and endangered species with the highest EEP/ESB program-species share among Hungarian zoos.
Székely Land
Székely Land (Hungarian: Székelyföld) is a historic region in central and eastern Transylvania, Romania, inhabited mainly by the Hungarian-speaking Székelys, with a population of about 810,000.
Székelys
Székelys (Szeklers, Romanian Secui) are a Hungarian-speaking population of eastern Transylvania, Romania, historically frontier guards of the Kingdom of Hungary; 500,000–700,000 live in the Székely Land, with disputed origins and active autonomy movement.
Székesfehérvár
Székesfehérvár (Alba Regia, Stuhlweissenburg), central Hungarian city of about 97,000, seat of Fejér county; founded 972 by Géza, coronation and burial town of Hungarian kings, home of Bory Castle.
Szél-anya Lineae
Szél-anya Lineae is a 975 km fracture belt on Venus at 79.4°N, 81.3°E in quadrangle V-1, IAU-approved in 1985 as Szél-anya Dorsa and renamed in 2011, named for a Hungarian wind mother.
Szemerédi regularity lemma
The Szemerédi regularity lemma, or Szemerédi's lemma, is a graph theory theorem stating every large dense graph can be partitioned so that most class pairs behave randomly, introduced by Endre Szemerédi.
Szemerédi's theorem
Szemerédi's theorem states that every set of integers with positive upper density contains arithmetic progressions of every finite length. Endre Szemerédi proved it in 1975.
Szentendre artists' colony
The Szentendre artists' colony (Szentendrei művésztelep) is a painters' community founded in 1926 in Szentendre, Hungary, continuing the Nagybánya school tradition after World War I.
Szeto Wah (司徒华)
Szeto Wah (司徒华) was a Hong Kong schoolteacher, trade-union leader, and legislator who chaired the Hong Kong Alliance in Support of Patriotic Democratic Movements of China from 1989 until his death in 2011.
Sziget Festival
Sziget Festival, also Diáksziget and Pepsi Sziget, is a week-long August music and arts festival on Óbuda Island, Budapest, founded 1993 by Péter Müller and Károly Gerendai; about 60 stages, 360,000–416,000 annual visitors.
Szilard (lunar crater)
Szilard is a large (about 122–127 km) impact crater on the far side of the Moon at roughly 34°N, 106°E, named for Hungarian-American physicist Leo Szilard and IAU-approved in 1970.
Szilárd Suhajda
Szilárd Suhajda (Suhajda Szilárd), Hungarian mountaineer (1982–2023) who climbed Broad Peak, K2, and Lhotse without oxygen and vanished near Everest's summit in May 2023.
Szlachta
Szlachta (szlachcic, plural szlachcice) was the hereditary noble estate of the Kingdom of Poland and the Polish-Lithuanian Commonwealth, about 8-10 percent of the population, legally equal regardless of wealth, governing through sejmiks, the Sejm, royal elections, and the liberum veto until the Partitions (1772-1795).
Szlama Ber Winer
Szlama Ber Winer (pseudonym Jakub Grojnowski), 1911–1942, Polish Jew from Izbica Kujawska who escaped Chełmno extermination camp on 19 January 1942 and gave Oneg Shabbat the first detailed gas-van testimony, basis of the 25 March 1942 Chełmno report reaching London; died in Bełżec April 1942.
Sznajd model
The Sznajd model, originally called the USDF model, is an agent-based model of opinion dynamics, introduced in 2000 by Katarzyna Sznajd-Weron and Józef Sznajd, in which agreeing neighboring agents convince their neighbors.
Szombathely
Szombathely (Savaria, Stein am Anger), seat of Vas county in western Hungary, 76,389 residents in 2026; Roman colonia founded by Claudius on the Amber Road, home of the Iseum and Savaria Museum.
Szondi's Two Squires
Szondi's Two Squires (Hungarian: Szondi két apródja) is an 1856 historical ballad by János Arany recalling the 1552 Ottoman siege of Drégely castle and its two captive young singers.
Szózat
Szózat ("Appeal" or "Summons") is an 1836 patriotic poem by the Hungarian poet Vörösmarty Mihály, regarded in Hungary as a de facto second national anthem alongside the Himnusz.
Szwajcaria
Szwajcaria is a village near Suwałki, Poland, site of the Sudovian (Yatvingian) barrow cemetery with over 100 mounds, the famous princely Barrow 2 Grave 1, and a newly identified early medieval Yatvingian cemetery.
Szybowcowy Zakład Doświadczalny (SZD)
Szybowcowy Zakład Doświadczalny (SZD), later PZL-Bielsko, was Poland's state glider manufacturer in Bielsko-Biała, which built over 5,000 gliders and was the world's largest glider maker in the late 1970s.
Szymon Budny
Szymon Budny (c. 1530–1593) was a theologian and biblical translator of the Reformation in the Grand Duchy of Lithuania, a leading anti-Trinitarian thinker who published the first Old Belarusian catechism.
Szymon Kołecki
Szymon Kołecki, Polish weightlifter (94 kg class), Sydney 2000 Olympic silver, Beijing 2008 gold awarded after Ilya Ilyin's doping disqualification; 232.5 kg clean & jerk world record; later KSW and Babilon MMA fighter.
Szymon Konarski
Szymon Konarski, in Lithuanian Simonas Konarskis, was a Polish insurgent and democratic publicist who built a 3,000-member underground organization in partitioned Poland and was executed in 1839.
Szymon Marciniak
Szymon Marciniak, born 1981 in Płock, Polish FIFA referee since 2011; first Pole to referee a World Cup final (Argentina–France 2022) and the 2023 Champions League final; IFFHS world's best referee 2023.
Szymon Starowolski
Szymon Starowolski, Latinized as Simon Starovolscius, was a Polish-Lithuanian Latin writer, historian, and publicist who wrote more than sixty works and became a canon of Kraków cathedral.
Szymon Szymonowic
Szymon Szymonowic, also known as Simon Simonides, was a Polish Renaissance humanist and bilingual poet (1558 to 1629) whose 1614 collection Sielanki founded the Polish pastoral idyll and who helped organize the Zamość Academy.