Lysander and the young Agesilaus came to maintain an intimate relation ( see Pederasty in Ancient Greece ), as was common of the period.

Although the term aeon may be used in reference to a period of a billion years ( especially in geology, cosmology or astronomy ), its more common usage is for any long, indefinite, period.

In the Neo-Assyrian period the Aramaic language became increasingly common, more so than Akkadian — this was thought to be largely due to the mass deportations undertaken by Assyrian kings, in which large Aramaic-speaking populations, conquered by the Assyrians, were relocated to Assyria and interbred with the Assyrians.

Alexandrines are common in the German literature of the Baroque period and in French poetry of the early modern and modern periods.

In the period of 3 – 6 weeks following cessation increased anxiety, depression as well as sleep disturbance is common ; fatigue and tension can persist for up to 5 weeks as part of the post-acute withdrawal syndrome ; about a quarter of alcoholics experience anxiety and depression for up to 2 years.

There are many other comparable Cambrian lagerstätten ; indeed such assemblages are far more common in the Cambrian than in any other period.

All bilaterians are thought to have descended from a common ancestor that appeared early in the Cambrian period, 550 – 600 million years ago, and it has been hypothesized that this common ancestor had the shape of a simple tubeworm with a segmented body.

Brown bear remains from the Pleistocene period are common in the British Isles, where it is thought they outcompeted cave bears.

Inspired by the Black Death, The Dance of Death, an allegory on the universality of death, is a common painting motif in the late medieval period.

(: see ) In effect, the 1662 Prayer Book marked the end of a period of just over 100 years, when a common form of liturgy served for almost all Reformed public worship in England ; and the start of the continuing division between Anglicans and Nonconformists.

In other cases, the new legislature felt it necessary to " dot i's and cross t's " by enacting an express reception statute, even if common law had been received during the colonial period.

Indian Law is largely based on English common law because of the long period of British colonial influence during the period of the British Raj.

Complex, multicellular organisms gradually became more common in the millions of years immediately preceding the Cambrian, but it was not until this period that mineralised – hence readily fossilised – organisms became common.

In eastern North America, marine beds are more common in the older part of the period than the later part and are almost entirely absent by the late Carboniferous.

Pterosaurs were common in the early and middle Cretaceous, but as the Cretaceous proceeded they faced growing competition from the adaptive radiation of birds, and by the end of the period only two highly specialized families remained.

Some anthropologists, such as Tim White, suggest that cannibalism was common in human societies prior to the beginning of the Upper Paleolithic period.

From 2007, every three-member states cooperate for their combined eighteen months on a common agenda, although only one formally holds the presidency for the normal six-month period.

In this period, the Colonna started claiming they were descendants of the Julio-Claudian dynasty ( similar spurious claims are common among the old Roman nobility, the Massimo case probably being the best known ).

In Britain particularly, good quality building stone became ever more expensive during a period of rapid growth, and it became a common practice to construct prestige buildings from the new industrial bricks, and to finish them with a stucco to imitate stone.

Renoir, in 1882, referred to Pissarro ’ s work during this period as “ revolutionary ,” in his attempt to portray the " common man.

It is common for an operator to moor a barge at a riverside town and collect freight and passengers over a period of weeks before hiring a river tug to tow or push the barge to its destination.

taking the former from the Five Sacred Mountains of the Han period and the latter from the principal river systems of Old China.

In Old Babylonian astronomy, Ea was the ruler of the southernmost quarter of the Sun's path, the " Way of Ea ", corresponding to the period of 45 days on either side of winter solstice.

It has recently been suggested that the regional decline at the end of the Akkadian period ( and First Intermediary Period of the Ancient Egyptian Old Kingdom ) was associated with rapidly increasing aridity, and failing rainfall in the region of the Ancient Near East, caused by a global centennial-scale drought.

The first inscriptions, called Old Assyrian ( OA ), were made in the Old Assyrian period.

In some cases, the name языкъ блъгарьскъ was used not only with regard to the contemporary Middle Bulgarian language of the copyist but also to the period of Old Bulgarian.

As a national revival occurred towards the end of the period of Ottoman rule ( mostly during the 19th century ), a modern Bulgarian literary language gradually emerged which drew heavily on Church Slavonic / Old Bulgarian ( and to some extent on literary Russian, which had preserved many lexical items from Church Slavonic ) and later reduced the number of Turkish and other Balkanic loans.

Linguistic study of the Khmer language divides its history into four periods one of which, the Old Khmer period, is subdivided into pre-Angkorian and Angkorian.

The changes during this period are so profound that the rules of Modern Khmer can not be applied to correctly understand Old Khmer.

The Code of Hammurabi is the longest surviving text from the Old Babylonian period.

The Old English language, current until approximately sometime after the time of the Norman Conquest in 1066, had a dative case ; however, the English case system gradually fell into disuse during the Middle English period, when in pronouns the accusative and dative merged into a single oblique case that was also used for all prepositions.

Other New Testament authors also quote period literature which was familiar to the audience but that was not included in the Old Testament or the deuterocanonical books.

The contemporary period of the history of the Preachers begins with restorations in provinces, undertaken after revolutions destroyed the Order in several countries of the Old and New World.

The word flute first entered the English language during the Middle English period, as floute ,, or else flowte, flo ( y ) te, possibly from Old French flaute and from Old Provençal flaüt, or else from Old French fleüte, flaüte, flahute via Middle High German floite or Danish fluit.

Already during the high medieval period, and increasingly during the Late Middle Ages, city states and communes such as those of the Old Swiss Confederacy also began to use flags as field signs.

The letter ' G ' was introduced in the Old Latin period as a variant of ⟨ c ⟩ to distinguish voiced from voiceless.

The Old High German period is reckoned to run until about the mid-11th century, though the boundary to Early Middle High German ( second half of the 11th century ) is not clear-cut.

In the testament of Bolesław III Krzywousty, which initiated the period of fragmentation of Poland ( 1138 – 1320 ), the western part of Greater Poland ( including Poznań ) was granted to Mieszko III the Old.

The oldest Babylonian texts on medicine date back to the Old Babylonian period in the first half of the 2nd millennium BC.

It was during the Viking invasions of the Anglo-Saxon period that Old English was influenced by contact with Norse, a group of North Germanic dialects spoken by the Vikings, who came to control a large region in the North of England known as the Danelaw.

The rationale for the differential treatment goes to the heart of the risk a life insurer takes: Old people are likely to die sooner than young people, so the risk of loss ( the insured's death ) is greater in any given period of time and therefore the risk premium must be higher to cover the greater risk.

Very little is known about the Japanese of this period – because writing had yet to be introduced from China, there is no direct evidence ; so anything that can be discerned about this period of Japanese must be based on reconstructions of Old Japanese.