Orangutan

OrangutansTemporal range: Early Pleistocene – Recent PreꞒ Ꞓ O S D C P T J K Pg N Bornean orangutan(Pongo pygmaeus) Scientific classificati…
Nature

Orca

OrcaKiller whaleTemporal range: Pliocene to recent PreꞒ Ꞓ O S D C P T J K Pg N Transient orcas near Unimak Island, eastern Aleutian Islands, Alaska …
Nature

Order of Brothelyngham

Exeter Cathedral, John Grandisson's episcopal seat as Bishop of Exeter; Grandisson instructed its officials to condemn the Order of Brothelyngham in the city. T…

Order of Canada

The Order of Canada (French: Ordre du Canada) is a Canadian national order and the second-highest honour for merit in the system of orders, decorations, and med…

Order of the Garter

The Most Noble Order of the Garter is an order of chivalry founded by King Edward III in 1348. The most senior order of knighthood in the British honours system…

Order of the Thistle

The Most Ancient and Most Noble Order of the Thistle is an order of chivalry associated with Scotland. The current version of the order was founded in 1687 by K…

Ordinances of 1311

The Ordinances of 1311 (The New Ordinances, Norman: Les noveles Ordenances) were a series of regulations imposed upon King Edward II by the peerage and clergy o…

Oregon State Capitol

United States historic place.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;b…

Oregon Trail Memorial half dollar

The Oregon Trail Memorial half dollar was a fifty-cent piece struck intermittently by the United States Bureau of the Mint between 1926 and 1939. The coin was …

Oriental Film

Oriental Film was a film production company in Batavia, Dutch East Indies (now Jakarta, Indonesia). Established by ethnic Chinese businessman Tjo Seng Han in 19…

Oriental Stories

Oriental Stories, later retitled The Magic Carpet Magazine, was an American pulp magazine published by Popular Fiction and edited by Farnsworth Wright. It was l…

Orion (mythology)

An engraving of Orion from Johann Bayer's Uranometria, 1603 (US Naval Observatory Library) In Greek mythology, Orion (/əˈraɪən/; : Ancient Greek: Ὠρίων or …

Ormond Beatty

Ormond Beatty (August 13, 1815 – June 24, 1890) was an American educator and academic administrator. He was the seventh president of Centre College in Danville,…

Ormulum

A page from the Ormulum demonstrating the editing performed over time by Orrm, as well as the insertions of new readings by "Hand B" The Ormulum or Orrmulum is …

Ornithoprion

OrnithoprionTemporal range: Pennsylvanian, Moscovian PreꞒ Ꞓ O S D C P T J K Pg N Skeletal reconstruction of Ornithoprion, with known material represe…

Orpheus in the Underworld

Poster for Paris revival, 1878 Orpheus in the Underworld and Orpheus in Hell are English names for Orphée aux enfers (.mw-parser-output .IPA-label-small{font-si…

Orphic Hymns

Illustration of a bronze tablet from Pergamon, Asia Minor, dating to the 3rd century AD. An inscription mentions the goddess Melinoë, who is otherwise known onl…

Orval Grove

Baseball player .mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-co…
Sports

Oryzomys

OryzomysTemporal range: Rancholabrean (300,000 years before present) – present Marsh rice rat (Oryzomys palustris) Scientific classification …

Oryzomys antillarum

Oryzomys antillarum Holotype skull, seen from above, below, and the left Conservation status Extinct (1870s) (IUCN 3.1) Scientific clas…

Oryzomys couesi

Oryzomys couesiTemporal range: Late Pleistocene to Recent Conservation status Least Concern (IUCN 3.1) Scientific classification Kingdom: …

Oryzomys dimidiatus

Oryzomys dimidiatus Conservation status Data Deficient (IUCN 3.1) Scientific classification Kingdom: Animalia Phylum: Chordata Class: …