All articles starting with O
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Olympia Mensae
Olympia Mensae, also listed under the Olympia albedo naming group, is a 335.42-km-wide group of mesas at 78.00°N, 119.98°E on Mars, IAU-approved in 2006 and a residual water-ice cap outlier.
Olympia Planum
Olympia Planum is a low-lying plain on Mars at the margin of Planum Boreum, IAU-approved in 2007, about 804 km across, covered by the gypsum-rich Olympia Undae dunes and holding Mars's largest known sulfate accumulation.
Olympia Rupēs
Olympia Rupēs, also written Olympia Rupes, is a 1,197 km arc of sinuous scarps on Mars at the margin of the north polar cap, separating Planum Boreum from Olympia Planum, approved by the IAU in 2007.
Olympia Snowe
Olympia Snowe (born 1947) is a retired Republican U.S. senator and representative from Maine (1979-2013), a famed moderate and swing vote, first woman in both state legislative and congressional chambers, later founder of a women's leadership institute.
Olympia Undae
Olympia Undae, the North Polar Erg, is the largest continuous dune field on Mars, ringing the north polar cap at 78-83N; basaltic and gypsum-bearing dunes shaped by easterly and katabatic NE winds.
Olympia Valance
Olympia Montana Valance, born 1993, is an Australian actress known as Paige Smith on Neighbours (2014–2022, 502 episodes), Tahlia Woods in Playing for Keeps, and Sgt. Demi Angelos in Heat; half sister of Holly Valance.
Olympia, Washington
Olympia, Washington: state capital and Thurston County seat at the southern tip of Puget Sound on Budd Inlet. Population 55,605 (2020); territorial capital since 1853; 287-foot capitol dome.
Olympiacos B.C.
Olympiacos B.C. (ΟΛΥΜΠΙΑΚΟΣ), basketball section of the Piraeus multi-sport club founded 1925; four EuroLeague titles (1997, 2012, 2013, 2026), sixteen Greek championships, plays at Peace and Friendship Stadium, Piraeus.
Olympiacos F.C.
Olympiacos F.C. (Thrylos, Erythrolefki), founded 10 March 1925 in Piraeus, is Greece's most successful football club: 48 league titles, 29 Greek Cups, and the 2023-24 UEFA Conference League, the first major European trophy won by a Greek club.
Olympiad
Olympiad: the four-year cycle between Olympic Games, first reckoned from 776 BC at Olympia, used as a Greek dating system, and revived with the modern Games from Athens 1896.
Olympian Odes
The Olympian Odes (Ὀλυμπιόνικοι, Olympionikoi) are a book of fourteen victory odes by the Greek lyric poet Pindar, composed to celebrate athletes' wins at the ancient Olympic games.
Olympias (Ὀλυμπιάς)
Olympias (Ὀλυμπιάς), originally Myrtale, Epirote Molossian princess, wife of Philip II of Macedon (m. 357 BC) and mother of Alexander the Great; gained her name from Philip's 356 BC Olympic victory, ruled during the Diadochi wars, executed 316 BC.
Olympiastadion (Berlin)
Olympiastadion Berlin, also known as the Berlin Olympic Stadium, is a 74,475-seat stadium in Berlin, built for the 1936 Olympics and home of Hertha BSC.
Olympiastadion (Munich)
Olympiastadion (Munich Olympic Stadium), built for the 1972 Summer Olympics by Behnisch, Frei Otto, and Schlaich under a 78,000 m² acrylic tent roof; FC Bayern's home for 33 years, 1974 World Cup final venue, listed monument closed for renovation until 2029.
Olympic Air (Ολυμπιακή)
Olympic Air (Ολυμπιακή) is a Greek regional airline created in 2009 from the privatized Olympic Airlines, owned by AEGEAN Airlines since 2013 and known for operating subsidized island routes.
Olympic Athletes from Russia at the 2018 Winter Olympics
Olympic Athletes from Russia (OAR) was the neutral team of 168 Russian athletes at PyeongChang 2018 after the IOC suspended the ROC for state-sponsored doping; they won 17 medals, 2 gold, under the Olympic flag.
Olympic biathlon individual and sprint events
The Olympic biathlon individual and sprint events are biathlon's two original Olympic formats: the 20 km individual with four shooting bouts, and the 10 km sprint with two.
Olympic biathlon pursuit and mass start events
The Olympic biathlon pursuit is a race where athletes start at time gaps from the preceding sprint, firing four bouts with penalty loops for misses.
Olympic biathlon relay and mixed relay events
Olympic biathlon relay and mixed relay: team biathlon events. Men's 4x7.5 km relay since 1968, women's 4x6 km since 1992, mixed relay since Sochi 2014, Single Mixed Relay added for Alps 2030; France swept all three relays at Milano Cortina 2026.
Olympic Broadcasting Services
Olympic Broadcasting Services (OBS), the IOC's Madrid-based host broadcaster established in 2001, produces the World Feed of Olympic Games images and sound for all rights-holding broadcasters, delivering 11,000 hours at Paris 2024 and planning fully IP production for LA28.
Olympic Charleroi
Olympic Charleroi (Royal Olympic Club Charleroi, matricule 246) is a Belgian football club founded 1911, vice-champion of Belgium 1946-47, historic rival of Sporting Charleroi, playing at the Stade de la Neuville and relegated from the 2025-26 Challenger Pro League.
Olympic commemorative coins
Olympic commemorative coins are coins issued by Olympic host or participating countries to raise revenue for the Games, a practice that began with Finland's silver 500 markkaa for Helsinki 1952.
Olympic Congress
The Olympic Congress is a consultative gathering of the Olympic movement convened by the IOC president, whose recommendations are not binding; 13 have been held since 1894.
Olympic Cup
Olympic Cup (Coupe olympique), annual IOC award created in 1906 by Pierre de Coubertin for organisations or communities with exceptional commitment to sport and Olympic values; recent recipients include the people of France (2024) and Italy (2026).
Olympic Dam
Olympic Dam is a poly-metallic underground mine in far northern South Australia, 650 km northwest of Adelaide, producing copper, uranium, gold, and silver for owner BHP.
Olympic Esports Games
The Olympic Esports Games were a planned IOC competitive video gaming event, created in 2024 and cancelled in October 2025 when the 12-year Saudi partnership ended.
Olympic Esports Series
Olympic Esports Series, also called Olympic Virtual Series (2021 predecessor), an IOC-run global virtual and simulated sports competition; 2023 edition had nine featured games plus Fortnite shooting, with live finals at Singapore's Suntec Centre, 22-25 June 2023.
Olympic flame
Olympic flame: ceremonial fire lit at Ancient Olympia with a parabolic mirror before each Games and carried by torch relay to the host cauldron; first lit Amsterdam 1928, first relay Berlin 1936.
Olympic Games
The Olympic Games are recurring four-yearly Summer and Winter multisport festivals run by the International Olympic Committee under the Olympic Charter. Revived at Athens 1896 after the ancient Olympia festival ended in the 390s CE, they are marked by high hosting costs and persistent cost overruns.
Olympic Games broadcasting rights
Olympic Games broadcasting rights are the media rights to the Summer and Winter Olympics, owned by the IOC, which distributes over 90% of revenue to Olympic bodies.