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Balkan Stream Gas Pipeline
Balkan Stream is the onshore extension of the TurkStream pipeline carrying Russian natural gas across Bulgaria and Serbia toward Hungary, with deliveries beginning in 2020.
Balkan Wars
The Balkan Wars of 1912-1913: two conflicts in which the Balkan League (Serbia, Bulgaria, Greece, Montenegro) expelled the Ottoman Empire from most of Europe, then fought the Second Balkan War over the spoils, ending with the Treaty of Bucharest.
Balkan Wars refugee crisis of 1912–1914
The Balkan Wars refugee crisis of 1912–1914 was the mass displacement of civilians, above all Muslims, after Bulgaria, Greece, Serbia, and Montenegro defeated the Ottoman Army in 1912.
Balkanization
Balkanization, or Balkanisierung, is the division of a country or region into small hostile states, a term coined after World War I for the breakup of the Habsburg Empire.
Balkans
The Balkans: southeastern European region and peninsula named after the Balkan mountains, bounded by the Danube-Sava line; contested term also called Southeast Europe; covers Greece, Bulgaria, Serbia and neighbors, with six Western Balkans EU candidates.
Balkash - Alakul
Balkash - Alakul (FEOW ecoregion 624) is the endorheic freshwater ecoregion of lakes Balkhash, Sasykkol, and Alakol in Kazakhstan, China, and Kyrgyzstan, defined by endemic fish such as Balkhash perch and marinka now threatened by introduced species.
Balkenkreuz
Balkenkreuz: straight-armed black German military identification cross, "beam cross" in German. Adopted by the German Air Service in mid-April 1918, replaced the cross pattée, marked Wehrmacht aircraft and armor in 1935-1945; the Bundeswehr uses a different stylized Iron Cross since 1956.
Balkh (district)
Balkh District is a second-order administrative division of Balkh Province, northern Afghanistan, seat population 114,883, centered on the historic town of Balkh (Bactra), 24 km from Mazar-e-Sharif.
Balkh (بلخ)
Balkh (بلخ), ancient Bactra, is a town in northern Afghanistan about 20 km west of Mazar-e Sharif, capital of ancient Bactria, an Achaemenid, Hellenistic, and Islamic center that declined after 1220 and lost administrative status to Mazar-e Sharif in 1866.
Balkhash
Lake Balkhash (Balkash) is Kazakhstan's large endorheic lake, Central Asia's largest at about 17,000 km2, fresh in the west and saline in the east, fed mainly by the Ili River and threatened by upstream water use.
Balkrishan Singh
Balkrishan Singh was an Indian field hockey full-back and coach who won Olympic gold as a player at Melbourne 1956 and as coach at Moscow 1980.
Balkrishna
Acharya Balkrishna (आचार्य बालकृष्ण), born 1972, is an India-based Ayurveda scholar and businessman who co-founded Patanjali Ayurved with Swami Ramdev, leads it as managing director, chairs Patanjali Foods, and heads Patanjali Yogpeeth Trust and University of Patanjali.
Ball
Ball: the spherical object used instead of a puck in hockey-family sports such as field hockey, ball hockey (street hockey), and floorball; FIH, ISBHF, and IFF set standards for each game's ball.
Ball (association football)
The association football ball is defined by IFAB Law 2: spherical, 68–70 cm, 410–450 g, 0.6–1.1 atm, with FIFA Quality marks required in official competitions. Covers construction, panel history from the 32-panel classic to the 2026 Trionda, and aerodynamics.
Ball (gridiron football)
Oval leather ball of gridiron football: a prolate spheroid, 11–11¼ inches, 14–15 ounces, inflated 12.5–13.5 psi, made by Wilson in Ada, Ohio, with league-specific NFL, NCAA, NFHS, and CFL rules.
Ball Aerospace
Ball Aerospace, founded in Boulder, Colorado, in 1956, built spacecraft and instruments for NASA, including the James Webb Space Telescope mirrors, and was acquired by BAE Systems in 2024.
Ball and socket coupling
A ball and socket coupling is the standardized joint connecting string insulator units to each other and to fittings on high-voltage overhead power lines, standardized in IEC 60120.
Ball Arena
Ball Arena, known as the Pepsi Center until 2020, is a multi-purpose arena in Denver, home to the Nuggets, Avalanche, and Colorado Mammoth since opening in 1999.
Ball badminton
Ball badminton (बॉल बैडमिंटन) is an Indian racquet sport from Tanjore, Tamil Nadu, played since 1856 with a yellow woolen ball on a 12 x 24 m court, five a side, governed by the BBFI (formed 1954).
Ball bearing
A ball bearing is a rolling-element bearing that carries load between rings through steel or ceramic balls held in a cage, replacing sliding friction with rolling contact.
Ball Boy Tactics (볼보이 택틱스)
Ball Boy Tactics (볼보이 택틱스) is a 2025 Korean BL drama, 8 episodes on Heavenly, adapted from Ji Seung-hyun's web novel, starring Choi Jae-hyeok and Yeom Min-hyeok as a basketball star and retired gymnast in a campus romance.
Ball clay
Ball clay, also called plastic clay, is a fine-grained, highly plastic sedimentary clay firing to a light color, used mainly in ceramics like sanitaryware, tiles, and tableware.
Ball Corporation
Ball Corporation is an American aluminum packaging company headquartered in Westminster, Colorado, famous for the Ball canning jar before pivoting to beverage cans in 1969.
Ball culture
Ball culture (ballroom, house-ball community) is an LGBTQ+ subculture founded by Black and Latino queer and trans people in New York, with judged balls, vogue dance, and chosen-family houses; the modern scene dates to Crystal LaBeija's House of LaBeija in the early 1970s.
Ball grid array
A ball grid array (BGA) is an integrated-circuit package with solder balls on its underside, carrying far more connections than a leaded package of the same size.
Ball in the Family
Ball in the Family, American reality series premiering August 29, 2017 on Facebook Watch, following LaVar, Tina, Lonzo, LiAngelo, and LaMelo Ball; Bunim/Murray-produced, 24 million premiere viewers, episodes lengthened after viewer comments.
Ball joint
A ball joint, or spherical joint, is an automotive bearing connecting a control arm or steering link to the steering knuckle, allowing suspension motion and steering simultaneously.
Ball lightning
Ball lightning, also known as globular lightning, is a rarely observed phenomenon in which luminous spheres, typically 20 to 50 cm wide, appear during thunderstorms.
Ball Lightning (球状闪电_(电视剧))
Ball Lightning (球状闪电) is an upcoming 30-episode iQIYI Chinese sci-fi web drama adapted from Liu Cixin's 2004 novel, directed by Dai Mo, supervised by Chen Sicheng, starring Tong Yao and Wang Anyu; filmed 2022, licensed 2025, trailer 2026, air date pending.
Ball mill
A ball mill, also called a tumbling mill, is a rotating cylindrical grinder in which steel balls crush and grind material, used mainly in mineral processing and cement manufacture.