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Sulu expedition (1851)
The Sulu expedition of 1851 was a Spanish punitive operation against the Sultanate of Sulu, led by Governor-General Antonio Urbiztondo and ending in a treaty signed that April.
Sulu Sea
The Sulu Sea is a small, deep marginal sea of the western Pacific, lying between the Philippine islands of Palawan, Panay, Negros, and Mindanao and northeastern Borneo.
Sulu tribute missions to the Qing
The Sulu tribute missions to the Qing (蘇祿入貢) were missions from the sultanate of Sulu in the southern Philippines to the Qing court between 1726 and 1763.
Suluk
Suluk (苏禄) was a khagan of the Türgesh, a Turkic people of Central Asia, who resisted Umayyad Arab expansion, married Tang, Turkic, and Tibetan princesses, and was assassinated in 738.
Suluk Malang Sumirang
Suluk Malang Sumirang is a Javanese Islamic mystical text (suluk) attributed to Pangeran Panggung, dated to around the 16th century and counted among the most important works of the Javanese Islamic literary period.
Suluk Wujil
Suluk Wujil is an early Javanese Islamic mystical poem attributed to Sunan Bonang, inscribed at Cirebon, West Java, in 1607 and among the earliest works of the Javanese suluk genre.
Sulumal
Sulumal was king of Melid, a Neo-Hittite kingdom on the Malatya Plain in eastern Anatolia, known from the tribute lists of Tiglath-pileser III of Assyria in the mid-eighth century BC.
Sulz
Sulz (Sulz am Neckar), Baden-Württemberg: Roman cohort fort built about 74 AD under Vespasian, garrisoned by about 500 auxiliaries, abandoned around 90 AD; its vicus, painted Römerkeller museum, and medieval salt town first documented in 790.
Sulzberger Bay
Sulzberger Bay is an Antarctic bay indenting the Sulzberger Ice Shelf on the Marie Byrd Land coast, discovered by the Byrd Antarctic Expedition in 1929.
Sulzer (manufacturer)
Sulzer Ltd., also known as Gebrüder Sulzer, is a Swiss industrial engineering company headquartered in Winterthur, Switzerland. Founded in 1834, it manufactures pumps and separation equipment worldwide.
Sum 41
Sum 41, Canadian pop-punk band from Ajax, Ontario, formed 1996 (originally Kaspir), named for the 41st day of summer; broke through with All Killer No Filler and "Fat Lip," sold 15 million albums, disbanded in 2025 after Heaven :x: Hell.
Sum of angles of a triangle
The sum of angles of a triangle, also known as the angle sum of a triangle, equals 180° in Euclidean plane geometry, stated in Euclid's Elements.
Sum of normally distributed random variables
The sum of normally distributed random variables is itself normally distributed whenever the summands are independent: means add, variances add, and the property extends to any linear combination.
Sum of squares
A sum of squares is an expression in which squared quantities are added, naming ideas in number theory, statistics, and optimization that exploit squares never being negative.
Sum-free set
A sum-free set is a set of numbers containing no solution of x + y = z with all three terms in the set, arising from Schur's 1916 work.
Sum-frequency generation
Sum-frequency generation is a second-order nonlinear optical process where two input waves mix in a nonlinear medium to produce light at the sum of their frequencies.
Sum-frequency generation spectroscopy
Sum-frequency generation spectroscopy, also called sum frequency generation vibrational spectroscopy, is a nonlinear optical method that overlaps visible and infrared lasers at a surface to measure vibrational spectra of interfacial molecules, introduced in 1987.
Sum-of-squares proof
A sum-of-squares proof is a certificate that a polynomial is nonnegative, given by writing it as a sum of squares of polynomials, testable efficiently through semidefinite programming.
SUM149PT
SUM149PT (CVCL_3422, RRID:CVCL_3422), also called SUM149, is a human triple-negative, BRCA1-mutant inflammatory breast cancer cell line derived from a primary invasive ductal carcinoma, used widely in IBC and TNBC drug research.
SUM159PT
SUM159PT (SUM-159, CVCL_5423) is a human triple-negative, claudin-low breast cancer cell line from an anaplastic pleomorphic carcinoma of a 71-year-old woman, with HRAS G12D, PIK3CA H1047L, TP53 mutations, used for estrogen-independent and invasive breast cancer research.
Suma
Suma was a Venezuelan writers' group formed in Caracas around 1943, gathering poets like Aquiles Nazoa and Ana Enriqueta Terán and publishing through its Ediciones Suma imprint.
Suma Brands
Suma Brands was a New York-based commerce company founded in 2020 that acquired and operated Amazon FBA brands, merging with D1 Brands in 2023 to form The Ambr Group.
Suma Kanakala
Suma Kanakala, born 1974, is an Indian television presenter and producer who works primarily in Telugu television and hosts the long-running ETV game show Star Mahila.
Suma y narración de los Incas
Suma y narración de los Incas is a chronicle of Inca history written in Cuzco around 1551 by Juan de Betanzos, drawing largely on the Inca point of view.
Sumac
Sumac: ground spice from Rhus coriaria (Arabic summāq, dark red), a purple sour Mediterranean seasoning; also the Rhus genus (~150 species), distinct from poisonous Toxicodendron vernix (poison sumac), which causes urushiol dermatitis.
Sumaco
Sumaco, isolated stratovolcano in Ecuador's Sub-Andean Amazon (Napo and Orellana provinces), 105 km east of Quito; alkaline back-arc volcano, potentially active, last confirmed eruption 1895, core of Sumaco Biosphere Reserve.
Sumaco Biosphere Reserve
Sumaco Biosphere Reserve, a UNESCO MAB site designated in 2000 in Ecuador's Napo province, 931,930 ha around Sumaco Volcano, spanning Andean páramo to Amazon rainforest, with Kichwa agroforestry economies and deforestation and illegal-mining pressures.
Šumadija (Шумадија)
Šumadija (Шумадија), central Serbia's historical heartland region between the Sava-Danube, Morava, and Kolubara rivers; forest-derived name, hilly relief up to Rudnik 1,132 m, uprisings of 1804–1815, Kragujevac as main center, and a noted wine region around Topola and Oplenac.
Sumalatha (సుమలత)
Sumalatha (సుమలత), full name Sumalatha Ambareesh, born 1963 in Chennai, is an Indian actress in over 220 Telugu, Malayalam, Kannada, Tamil, and Hindi films, known for Clara in Thoovanathumbikal, and the independent MP from Mandya who won in 2019 and joined the BJP in 2024.
Sumalee Montano
Sumalee Montano (born 1972, Columbus, Ohio) is an American actress, voice actress, and producer; voice of Arcee in Transformers: Prime, Yuna in Ghost of Tsushima, and Maria in The Casagrandes; LinLay Productions co-founder and star of The Deal.