All articles starting with O
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Oregon Department of Transportation
The Oregon Department of Transportation (ODOT) is the state agency responsible for highways, driver licensing, transit, and rail, founded in 1913 and headquartered in Salem.
Oregon Ducks
Oregon Ducks: University of Oregon NCAA Division I program, Big Ten since 2024, formerly Pac-12. 20 varsity sports, ~500 athletes, $145M self-sustaining budget, Nike/Phil Knight branding, Donald Duck mascot, football 718-512-46 since 1894.
Oregon Ducks football
Oregon Ducks football: University of Oregon FBS team in Eugene. Big Ten member since August 2024 after leaving the Pac-12; 2014 Heisman winner Marcus Mariota; 2024 Big Ten champions under Dan Lanning.
Oregon Film Museum
Oregon Film Museum, Astoria, Oregon: museum in the old Clatsop County Jail (1914–1976), opened 2010, themed on The Goonies; celebrates Oregon film production; planned $10.1 million expansion.
Oregon giant earthworm
Oregon giant earthworm (Driloleirus macelfreshi, formerly Megascolides macelfreshi), a North American megascolecid earthworm up to 1.32 m long, critically imperiled in Oregon's Willamette Valley, with lily-like scent and burrows to 4.6 m.
Oregon High Desert Grotto
Oregon High Desert Grotto (OHDG) is a National Speleological Society caving chapter based in Bend, Oregon, publishing the Oregon Underground newsletter and running cave cleanups, graffiti removal, and Glacier Cave Explorers.
Oregon Lakes
Oregon Lakes: FEOW freshwater ecoregion 124, Nearctic, xeric endorheic basins; also Oregon's 1,400+ named lakes, including Crater Lake (deepest in US, 1,932 ft) and Upper Klamath Lake.
Oregon PERF
Oregon PERF, the Oregon Public Employees Retirement Fund, is the trust fund financing the Oregon Public Employees Retirement System, invested by the Oregon Investment Council and 76% funded at the end of 2025.
Oregon Shakespeare Festival
Oregon Shakespeare Festival (OSF), founded by Angus L. Bowmer in Ashland, Oregon on July 2, 1935, is a major nonprofit rotating repertory theater with three theaters, a 1983 Tony Award, and a 2026 ten-show season.
Oregon State Beavers football
Oregon State Beavers football is Oregon State University's FBS program in Corvallis, playing at Reser Stadium (35,548). A Pac-12 founding member (PCC, 1915), it produced Terry Baker's 1962 Heisman and the 2001 Fiesta Bowl win, and rejoined a rebuilt Pac-12 in 2026 under JaMarcus Shephard.
Oregon State Capitol
The Oregon State Capitol is the statehouse of Oregon in Salem, housing the legislature and governor's offices; the third capitol there, it was completed in 1938.
Oregon State University
Oregon State University (OSU), a public land-grant university in Corvallis, Oregon, founded as Corvallis Academy in 1856 and designated Oregon's land-grant institution in 1868. Largest university in Oregon, over 37,400 students, campuses in Corvallis and Bend, Ecampus online, Extension in all 36 counties.
Oregon Territory
Oregon Territory, organized August 14, 1848, was a U.S. territory covering present-day Oregon, Washington, Idaho, and parts of Montana and Wyoming; Washington Territory split off in 1853 and Oregon became a state February 14, 1859.
Oregon Trail
Oregon Trail: 2,000-mile overland emigrant route from the Missouri River to Oregon's Willamette Valley, used by 300,000-500,000 people 1840-1869; designated a National Historic Trail in 1978.
Oregon Treaty
Oregon Treaty (Treaty of Oregon, 1846): Anglo-American treaty signed June 15, 1846, setting the 49th parallel as the Pacific Northwest border, ending joint occupation, and leaving the San Juan Islands dispute for 1872 arbitration.
Oregon Vortex
The Oregon Vortex, also called the House of Mystery, is a Gold Hill, Oregon roadside attraction opened in 1930 by John Litster, the earliest documented US mystery spot, explained scientifically as optical illusions.
Oregovomab
Oregovomab (OvaRex, MAb B43.13), a murine anti-CA-125 monoclonal antibody immunotherapy for ovarian cancer; failed phase III maintenance monotherapy, now tested with paclitaxel-carboplatin in FLORA-5.
Oreimo
Oreimo (俺の妹がこんなに可愛いわけがない) is a Japanese light novel series by Tsukasa Fushimi, Dengeki Bunko, 2008-2021, about siblings Kyousuke and Kirino Kousaka; over 5 million copies, two anime seasons (2010, 2013), manga, games, and Kuroneko spinoffs.
Orekhovo-Yermakovskoye Oil Asset
Orekhovo-Yermakovskoye field (Орехово-Ермаковское месторождение) is a mature, low-permeability oil field in West Siberia, 33 km northeast of Nizhnevartovsk, revived since 2016 by horizontal drilling, multistage fracturing, and gel-based enhanced oil recovery.
Orel Hershiser
Orel Hershiser (Bulldog), born 1958, American MLB pitcher 1983-2000; 1988 unanimous NL Cy Young with record 59 scoreless innings, NLCS and World Series MVP, 1995 ALCS MVP; not in Hall of Fame; Dodgers broadcaster.
Orelabrutinib
Orelabrutinib (ICP-022, 宜諾凱), InnoCare Pharma's oral irreversible highly selective BTK inhibitor, approved in China for r/r CLL/SLL, r/r MCL, r/r MZL, and first-line CLL/SLL, also in development for SLE and multiple sclerosis.
Orelha case
Orelha case (Caso Orelha): 2026 Brazilian animal-cruelty investigation after the community dog Orelha of Praia Brava, Florianópolis, was beaten by teenagers on 4 January 2026, sparking national protests and the 'Justiça por Orelha' decree.
Orelia E. Merchant
Orelia E. Merchant, also known as Orelia Eleta Merchant, is an American jurist serving as a US district judge for the Eastern District of New York since 2023.
Orélie-Antoine de Tounens
Orélie-Antoine de Tounens (Antoine Orélie Tounein, 1825-1878), French lawyer who proclaimed himself King of Araucania and Patagonia in 1860 with Mapuche support, was captured by Chile in 1862, deported, and died in exile in France.
Orellana's descent of the Amazon
Orellana's descent of the Amazon (Descubrimiento del río Amazonas) was the 1541–1542 voyage in which Francisco de Orellana and 57 men became the first Europeans to navigate the Amazon River.
Orellani
Orellani: a subgenus of the webcap genus Cortinarius, type species Cortinarius orellanus (fool's webcap), defined by containing the nephrotoxin orellanine; includes deadly webcap C. rubellus and causes delayed acute kidney failure.
Orellanine
Orellanine, also called the orellanic syndrome toxin, is a nephrotoxic bipyridine N-oxide mycotoxin from Cortinarius webcap mushrooms, causing delayed acute kidney injury 1-2 weeks after ingestion, with no antidote and supportive dialysis treatment.
Orem, Utah
Orem, Utah: city in Utah County on the eastern shore of Utah Lake, incorporated May 5, 1919 and named for railroad president Walter C. Orem. Fifth-largest Utah city, home of Utah Valley University, population about 95,000 in 2025.
Öremölla
Öremölla: Roman Iron Age high-status cremation grave in southern Scania, Sweden, found 1872; cremated male with Roman cauldron refitted with local-style male face masks, the oldest Scanian Iron Age male depiction.
Oren Peli (אורן פלי)
Oren Peli (אורן פלי), Israeli-born American filmmaker and former San Diego software programmer, wrote, directed, and edited Paranormal Activity (2007, released 2009), a $15,000 found-footage horror shot in his own house that grossed over $100 million domestically and launched a near-$1-billion franchise he went on to produce, alongside Insidious, Chernobyl Diaries, and The River.