As suggested by the etymology of the word, one of the earliest reasons for interest in geometry was surveying, and certain practical results from Euclidean geometry, such as the right-angle property of the 3-4-5 triangle, were used long before they were proved formally.

Mystery plays and miracle plays ( sometimes distinguished as two different forms, although the terms are often used interchangeably ) are among the earliest formally developed plays in medieval Europe.

The earliest Frisian records name four social classes, the ethelings ( nobiles in Latin documents ) and frilings, who together made up the " Free Frisians " who might bring suit at court, and the laten or liten with the slaves, who were absorbed into the laten during the Early Middle Ages, as slavery was not so much formally abolished, as evaporated.

With Becker County not formally organized until 1871, it was the earliest settlement in the area.

The earliest official mention of keelhauling is a Dutch ordinance of 1560, and the practice was not formally abolished until 1853.

In a section of the Quebec Agreement formally entitled " Articles of Agreement governing collaboration between the authorities of the USA and UK in the matter of Tube Alloys ", Britain and the USA agreed to share resources " to bring the Tube Alloys the Atomic Bomb project to fruition at the earliest moment.

He was among the earliest in India to formally link forest protection with local peoples.

Speightstown was formally settled around 1630 and in the earliest days of Settlement was Barbados's busiest port ( AMS Seaport Code: 27213, UN / LOCODE: BB SPT ).

In a section of the Quebec Agreement formally entitled " Articles of Agreement governing collaboration between the authorities of the USA and UK in the matter of Tube Alloys ", the United Kingdom and the United States agreed to share resources " to bring the Tube Alloys the Atomic Bomb project to fruition at the earliest moment.

This is the earliest known instance of rules ( or some part of the rules as in this case ) being formally agreed, although rules as such definitely existed.

In the 16th century, Christian missionaries from Spain and Portugal first encountered indigenous peoples using ayahuasca in South America ; their earliest reports described it as the work of the devil.

# Alchemy in Greco-Roman Egypt 642 CE, the earliest Western alchemists such as Mary the Jewess, Cleopatra the Alchemist, and Zosimos of Panopolis described early laboratory equipment.

Traditionally, the extinct family Viverravidae ( viverravids ) had been thought to be the earliest carnivorans, with fossil records first appearing in the Paleocene of North America about 60 mya, but recently described evidence from cranial morphology now places them outside the order Carnivora.

Early conceptions of ecology, such as a balance and regulation in nature can be traced to Herodotus ( died c. 425 BC ), who described one of the earliest accounts of mutualism in his observation of " natural dentistry ".

The earliest significant usage of the term ( as applied to music ) was by Joy Division's producer, Tony Wilson on 15 September 1979 in an interview for the BBC TV program's Something Else: Wilson described Joy Division as " Gothic " compared to the pop mainstream, right before a live performance of the band.

The earliest confirmed written evidence for Christianity in Britain is a statement by Tertullian, c. 200 AD, in which he described " all the limits of the Spains, and the diverse nations of the Gauls, and the haunts of the Britons, inaccessible to the Romans, but subjugated to Christ ".

The earliest cited English usage in connection with marital status is from a manuscript of c. 1200, when Mary ( mother of Jesus ) is described as “ handfast ( to ) a good man called Joseph ”.

He also described the earliest concept of metabolism, and developed new systems of physiology to replace the Avicennian and Galenic systems, while discrediting many of their erroneous theories on the four humours, pulsation, bones, muscles, intestines, sensory organs, bilious canals, esophagus, stomach, etc.

The Indian surgeon Sushruta described numerous surgical operations, including the earliest forms of plastic surgery.

Some of the earliest recorded speculations linked mind ( sometimes described as identical with soul or spirit ) to theories concerning both life after death, and cosmological and natural order, for example in the doctrines of Zoroaster, the Buddha, Plato, Aristotle, and other ancient Greek, Indian and, later, Islamic and medieval European philosophers.

In the earliest preserved Christian record, a letter of Florentine senate to the King Tvrtko I of Bosnia, dated 20 October 1389, Murad I's killing was described.

The earliest recorded description of the elk is in Julius Caesar's Commentarii de Bello Gallico, where it is described thus:

The second most popular theory about the origin and sense of Mieszko's name can be traced to the very old legend, firstly described by Gallus Anonymus, according to which Mesco ( the Latinized form used by the earliest sources ) was blind during his first seven years of life.

The earliest reports of Germanic militia was the system of hundreds which was described in 98 A. D. by Tacitus as the centeni.

The earliest information released described Quake as focusing on a Thor-like character who wields a giant hammer, and is able to knock away enemies by throwing the hammer ( complete with real-time inverse kinematics ).

Arwad has been cited as one of the earliest known examples of a republic, in which the people, rather than a monarch, are described as sovereign.

Northern Sudan's earliest historical record comes from Egyptian sources, which described the land upstream from the First Cataract, called Kush, as " wretched.

The earliest records of Japanese culture were written by Chinese traders who described this land as " Wa ".

The passage is one of the earliest non-Christian references to the origin of Christianity, the execution of Christ described in the Canonical gospels, and the presence and persecution of Christians in 1st-century Rome.

Another one of the earliest known stories to involve traveling forward in time to a distant future was the Japanese tale of " Urashima Tarō ", first described in the Nihongi ( 720 ).

The earliest mention of experiments on the neural basis of working memory can be traced back to over 100 years ago, when Hitzig and Ferrier described ablation experiments of the prefrontal cortex ( PFC ), they concluded that the frontal cortex was important for cognitive rather than sensory processes.

The earliest description is from Ctesias who described them as wild asses, fleet of foot, having a horn a cubit and a half in length and colored white, red and black.

The Koch snowflake ( also known as the Koch star and Koch island ) is a mathematical curve and one of the earliest fractal curves to have been described.

The earliest known documented European exploration of Canada is described in the Icelandic Sagas, which recount the attempted Norse colonization of the Americas.

At ( Middle Cambrian ) old it is one of the earliest fossil beds containing the imprints of soft-parts.

The earliest fossil phocids date from the mid-Miocene, 15 million years ago in the north Atlantic.

Extant species in the Cryptobranchidae family are the modern-day members of a lineage that extends back millions of years — the earliest fossil records of a basal species date back to the Middle Jurassic and were found in volcanic deposits in northern China.

These specimens are the earliest known relatives of modern salamanders, and together with the numerous other basal groups of salamanders found in the Asian fossil record, they form a concrete base of evidence for the fact that “ the early diversification of salamanders was well underway ” in Asia during the Jurassic period.

The earliest known example of a fossil skeleton with negroid features, perhaps 10, 000 years old, was found at Iii Ileru in western Nigeria and attests to the antiquity of habitation in the region.

The earliest fossil of Ostrich-like birds is the Palaeotis living near the Asiatic steppes, from the Middle Eocene, a middle-sized flightless bird that was originally believed to be a bustard.

& Puerta, Pablo ( 2003 ): Description of the earliest fossil penguin from South America and first Paleogene vertebrate locality of Tierra Del Fuego, Argentina.

* The earliest fossil seeds are around 365 million years old from the Late Devonian of West Virginia.

This last estimate may conflict with the fossil record depending on whether the genus Kayentachelys, whose fossils date to around, is the earliest known member of Cryptodira or lies outside the least inclusive clade containing Cryptodira and Pleurodira.

The earliest frog fossil that falls into the anuran lineage proper, Prosalirus bitis, lived in the early Jurassic.

** Animals that live interstitially in the sand of the ocean floor were responsible for the fossil crawling traces that are considered the earliest evidence of animals and are detectable even prior to the dawn of the Ediacaran Period in geology.

The earliest known fossil diatoms date from the early Jurassic (~ 185 Ma ), although molecular clock and sedimentary evidence suggests an earlier origin.

Before 2010, the earliest known fossil prawns come from rocks in Madagascar of Permo-Triassic age,.

It satisfied European expectations that the earliest humans would be found in Eurasia, and the British, it has been claimed, also wanted a first Briton to set against fossil hominids found elsewhere in Europe, including France and Germany.

At around 400 million years old, the Rhynie chert contains the earliest fossil assemblage yielding plants preserved in sufficient detail to detect mycorrhizas-and they are indeed observed in the stems of Aglaophyton major.

The earliest fossil pinniped that has been found is Puijila darwini, of about 23 million years ago.

* Michel Brunet, a paleontologist at the University of Poitiers, France, announced in the journal Nature that a 7-million-year-old skull found in the desert of Chad is the earliest hominid fossil ever found.

The earliest known fossil of Diprotodontia dates back to the Late Oligocene ( 23. 03mya-28. 4mya ), and the earliest identifiable species is Hypsiprymnodon bartholomaii from the Early Miocene.

Included are fossil footprints left by prehistoric reptiles, the wildlife of the Solway marshes, tools and weapons of the earliest peoples of the region and stone carvings of Scotland's first Christians.

A recently-discovered modern gastropod that lives near deep-sea hydrothermal vents illustrates the influence of both ancient and modern local chemical environments: its shell is made of aragonite, which is found in some of the earliest fossil mollusks ; but it also has armor plates on the sides of its foot, and these are mineralized with the iron sulfides pyrite and greigite, which had never previously been found in any metazoan but whose ingredients are emitted in large quantities by the vents.

The fossil record of the hoopoes is very incomplete, with the earliest fossil coming from the Quaternary.