All articles starting with S
44,216 articles
Siduron
Siduron (Tupersan), 1-(2-methylcyclohexyl)-3-phenylurea, CAS 1982-49-6, is a phenylurea preemergence turf herbicide, WSSA Group 7, safe at seeding of cool-season grasses, controlling crabgrass but not broadleaf weeds.
Sidwell Friends School
Sidwell Friends School, founded 1883 by Thomas Watson Sidwell as Friends' Select School, is a Quaker preK-12 coed day school in Washington, DC, with a Lower School in Bethesda; known for presidential children as students, LEED Platinum buildings, and a $220 million campus reunification campaign.
Sidyma
Sidyma (Σίδυμα), ancient Lycian city at Dodurga, Muğla, Turkey; Lycian League member with ~100 tombs (5th c. BC-5th c. AD), Roman-period agora, theater, sebasteion, and Byzantine bishopric.
Siebel Systems
Siebel Systems, Inc. was an American enterprise software company founded in 1993 by Tom Siebel and Pat House that defined the customer relationship management (CRM) software category until Oracle acquired it in 2006.
Siebold Incident
The Siebold Incident (シーボルト事件) was the 1828–1829 affair in which German physician Philipp Franz von Siebold was deported from Japan for trying to take prohibited Japanese maps out of the country.
Siedah Garrett
Siedah Garrett (born 1960) is an American singer-songwriter who co-wrote Michael Jackson's "Man in the Mirror" with Glen Ballard, sang the duet "I Just Can't Stop Loving You," and won a 2008 Grammy for "Love You I Do" from Dreamgirls, with two Oscar nominations.
Siedlung Forschner
Siedlung Forschner, UNESCO pile-dwelling site DE-BW-15 at Bad Buchau in the Federsee fen, Germany: a fortified Early and Middle Bronze Age bog settlement (1767–1480 BC), the only fortified Middle Bronze Age settlement preserved in a bog north of the Alps.
Siegbert Horn
Siegbert Horn (1950–2016), East German K1 slalom canoeist; first Olympic canoe slalom champion, Munich 1972 (268.56, ahead of Norbert Sattler); world K1 champion 1971 Meran and 1975 Skopje; ASK Vorwärts Leipzig; later physiotherapist.
Siege
Siege: the military encirclement of a town, fortress, or troops to cut off supplies and force surrender, also called encirclement in doctrine; spans ancient mining and torsion artillery, medieval castle warfare, early modern fortress sieges, and modern sieges like Sarajevo, now regulated by IHL rules against starving civilians.
Siege (band)
Siege: American hardcore punk band formed 1981 in Weymouth, Massachusetts, by Robert Williams, Kurt Habelt, and Henry McNamee; their 1984 Drop Dead demo influenced grindcore and powerviolence pioneers like Napalm Death and Carcass.
Siege and sack of Cuzco in the civil war
The siege and sack of Cuzco in the civil war was a decisive defeat resulting from the deaths of Emperor Huayna Capac and the arrival of the Spanish.
Siege engine
A siege engine, also known as a siege weapon or engine of war, is a mechanical weapon of siege warfare, such as catapults, ballistae, and trebuchets.
Siege in Fog (人生若如初相见)
Siege in Fog (人生若如初相见) is a 2018 Chinese Republican-era romance drama, 50 episodes, directed by He Shupei, adapted from Fei Wo Si Cun's novel Mi Wu Wei Cheng, starring Elvis Han and Sun Yi; distinct from the 2025 series A Love Never Lost.
Siege of Aba
The siege of Aba was the Nigerian federal offensive that captured Aba, a Biafran stronghold, in August and September 1968 during Operation OAU in the Nigerian Civil War.
Siege of Acapulco (1813)
The siege of Acapulco (1813) was an insurgent operation led by José María Morelos that captured the Pacific port and its Fort of San Diego during the Mexican War of Independence.
Siege of Acragas (406 BC)
The Siege of Acragas (406 BC) was the capture and destruction of the wealthy Greek city of Akragas (Agrigentum) in Sicily by a Carthaginian army after an eight-month siege.
Siege of Acre
The Siege of Acre (حصار عكا) was a crusader siege of the port city of Acre from 1189 to 1191, the first engagement of the Third Crusade.
Siege of Acre (1291)
Siege of Acre (1291), the Fall of Acre: Mamluk sultan al-Ashraf Khalil besieged the crusader capital Acre from 6 April to 18 May 1291, stormed it, demolished it, and ended crusader rule on the Levantine mainland.
Siege of Acre (1799)
Siege of Acre (1799): Napoleon Bonaparte's failed two-month siege (March–May 1799) of the Ottoman port of Acre, defended by Ahmad Pasha al-Jazzar and Sidney Smith's British squadron, which ended his Syrian campaign and eastern ambitions.
Siege of Adrianople (1912–1913)
The siege of Adrianople was the capture of the Ottoman fortress at Adrianople (Edirne) by Bulgarian and Serbian forces in the First Balkan War, falling in March 1913.
Siege of Ahmadnagar (1595–96)
The Siege of Ahmadnagar (1595–96), known in Hindi as चांद बीबी का अहमदनगर बचाव, was a Mughal siege of the Nizam Shahi capital defended by the regent Chand Bibi.
Siege of Ak-Mechet (1853)
The Siege of Ak-Mechet (1853) was the capture of the Kokand Khanate's fortress Ak-Mechet on the lower Syr Darya by Russian forces under Vasily Perovsky after a 26-day siege.
Siege of Akasaka Castle
The Siege of Akasaka Castle (赤坂城の戦い) was the 1331 assault by the Kamakura shogunate's army on Kusunoki Masashige's hilltop fort in Kawachi Province, now Osaka Prefecture.
Siege of Akhulgo
The Siege of Akhulgo was an 1839 battle of the Caucasian War in which Russian forces under General Grabbe stormed Imam Shamil's fortress in Dagestan.
Siege of Alamut
The Siege of Alamut (حصار الموت) was the Mongol capture of the Nizari Ismaili fortress of Alamut in northern Iran, which capitulated to Hulagu Khan in December 1256.
Siege of Alanya
The Siege of Alanya (Alanya'nın fethi) was the 1221 capture of the fortress port of Kalonoros by Seljuk sultan Alaeddin Keykubad I, who renamed it Alaiye.
Siege of Aleppo (1400)
The siege of Aleppo (1400) was the capture of the Syrian city by the Central Asian conqueror Timur on 30 October 1400, opening his campaign against the Mamluk Sultanate.
Siege of Alexandria (1167)
The siege of Alexandria (حصار الإسكندرية) was the 1167 investment of Alexandria, Egypt, by Amalric I of Jerusalem and the vizier Shawar against Shirkuh's Zengid army, defended by Saladin.
Siege of Anandpur
The Siege of Anandpur (आनंदपुर की घेराबंदी) was the 1704 encirclement of Anandpur Sahib, Guru Gobind Singh's town in the Punjab hills, by Mughal troops and hill rajas.
Siege of Angostura
The Siege of Angostura was a six-month siege by republican forces under Manuel Piar that captured Angostura, today Ciudad Bolívar, from royalists in July 1817.