During Virgil's time Aeneas was well-known and various versions of his adventures were circulating in Rome, including Roman Antiquities by Greek historian Dionysius of Halicarnassus ( relying on Marcus Terentius Varro, Ab Urbe Condita by Livy ( probably dependent on Quintus Fabius Pictor, fl.

During the fourth century, the Roman emperors commonly employed foederati: Germanic irregular troops under Roman command, but organized by tribal structures.

During the Hellenization of Latin literature, the myths of Ares were reinterpreted by Roman writers under the name of Mars.

During the Hellenistic and Roman periods, many of the existing buildings in the area of the Acropolis were repaired, due to damage from age, and occasionally, war.

During the English Reformation the Church of England broke away from the authority of the Pope and the Roman Catholic Church, at first temporarily under Henry VIII and Edward VI and later permanently during the reign of Elizabeth I.

During a visit of a delegation of Roman Catholic cardinals in Manhattan in January 2004, he said that “ a meeting like this doesn't signify in itself a breakthrough ”, and called for “ a theological dialogue that asks the tough questions, such as whether Catholicism allows for Jews to enter eternal paradise .”

During the final decades of imperial rule, the troops were supplied by Germanic chieftains employed by the Roman administration.

During ancient Roman times the balteus ( plural baltei ) was a type of baldric commonly used to suspend a sword.

During the days of the Roman Empire, the settlement of Augusta Raurica was founded 10 or 20 kilometres upstream of present Basel, and a castle was built on the hill overlooking the river where the Basel Münster now stands.

During the Roman Empire, Roman concrete ( or opus caementicium ) was made from quicklime, pozzolana and an aggregate of pumice.

During the Counter-Reformation, the Roman Catholic Church searched for religious art with which to counter the threat of Protestantism, and for this task the artificial conventions of Mannerism, which had ruled art for almost a century, no longer seemed adequate.

During these years, she involved herself in a renowned literary debate, the “ Querelle du Roman de la Rose ”.

During the second encounter, Roman forces seized Narseh's camp, his treasury, his harem, and his wife.

During the Roman Empire, legionaries were issued a pugio ( from the Latin pugnō, or “ fight ”), a double-edged iron thrusting dagger with a blade of 7-12 inches.

During his campaigns, El Cid often ordered that books by classic Roman and Greek authors on military themes be read aloud to him and his troops, for both entertainment and inspiration before battle.

During the 13th century Thomas Aquinas adopted the Aristotelian position that the senses are essential to mind into scholasticism, making it a dogma of Roman Catholic belief.

During the first part of his reign Honorius depended on the military leadership of the general Stilicho, who had been appointed by Theodosius and was of mixed Vandal and Roman ancestry.

During Guido's tenure in this office, Paschal II yielded to the military threats of Henry V, Holy Roman Emperor, and was induced to issue the Privilegium in the year 1111.

During the autumn of 169 AD when Roman troops were returning to Aquileia, the great plague broke out and the emperor summoned Galen back to Rome.

During each of the next two years, he led his 8-legion army into Germany against the coalition of tribes led by Arminius, which had successfully overthrown Roman rule in a rebellion in 9.

During the Thirty Years ' War, George William tried to remain neutral between the Roman Catholic forces of the Holy Roman Empire and the Protestant principalities.

During the later years of the Roman Empire, the Germanic peoples of northern Europe grew in strength to rival the Empire itself, and repeated organized attacks led to the Fall of the Western Roman Empire in AD 476, a date which traditionally marks the end of the classical period, and the start of the middle ages.

During this precarious period of development the mother should continue to influence the growth of the child's conscience.

During the period from 1 July 1960 through 31 January 1961, additional research affiliations were effected with the U. S. Army Medical Research and Development Command to conduct research in procedures for quantitative electron microscopy, and for the study of biophysical and biological studies of the structure and function of ocular tissue.

During this period, a total of 762 exhibits were presented at 442 medical and scientific meetings.

During the period of this report, 37,470 new cases were entered into the various registries.

During this period, 7,827 teaching sets were distributed on loan.

During the period of this report, 63 panel exhibits depicting the latest developments in medical research were displayed.

During the period, the laboratory rendered centralized macropathological service to qualified requesters.

During the period from 1 July 1960 through 31 January 1961, the Medical Museum was required to move to Temporary Building `` S '' on the Mall from Chase Hall.

During the period of about 4 hours around sunset, skywave transmission conditions are building up until full nighttime conditions prevail ; ;

During the Civil War period Mr. Brown also invented the Brown & Sharpe formed tooth gear cutter, a basic invention which ultimately revolutionized the world's gear manufacturing industry by changing its basic economics.

During this period 7,484,268 members were received, yet the net membership now is only 9,910,741.

During the period of the Iberian Union ( 1580 – 1640 ), Portugal lost influence and power and made new enemies.

During the Romantic period, art came to be seen as " a special faculty of the human mind to be classified with religion and science ".< ref >

During the same period the Georgian states of Colchis and Tabal arose around the Black Sea and central Anatolia respectively.

During this same period, slave-holding border states had more free African-Americans and European immigrants than the lower South, which increased Southern fears that slavery was threatened with rapid extinction in this area.

During this period he published 18 plays and 3 novels, including the murder mystery The Red House Mystery ( 1922 ).

During this period winter sports were slowly introduced: in 1882 the first figure skating championship was held in St. Moritz, and downhill skiing became a trendy sport with English visitors early in the 20th century, as the first ski-lift was installed in 1908 above Grindelwald.

During the post-World War I period ski-lifts were built in Swiss and Austrian towns to accommodate winter visitors, but summer tourism continued to be important ; by the mid-20th century the popularity of downhill skiing increased greatly as it became more accessible and in the 1970s several new villages were built in France devoted almost exclusively to skiing, such a Les Menuires.

During the first 11 months of 2006, net imports grew by 21 percent to $ 1. 95 billion, while exports stood at $ 895 million, up 0. 3 percent from the same period in 2005.

During the first 11 months of 2006, the European Union remained Armenia's largest trading partner, accounting for 34. 4 percent of its $ 2. 85 billion commercial exchange during the 11-month period.

During January – February 2007, Armenia ’ s trade with Russia and other former Soviet republics was $ 205. 6 million ( double the amount from the same period the previous year ), making them the country ’ s number one trading partner.

During this period, spectator attendances dropped and media condemnation increased, but Simpson and Lawry flatly disregarded the public dissatisfaction.

During the Tokugawa period ( 1600 – 1868 ) the Ainu became increasingly involved in trade with Japanese who controlled the southern portion of the island that is now called Hokkaido.

During this period Agamemnon and his brother, Menelaus, took refuge with Tyndareus, King of Sparta.

During the Akkadian period, the Akkadian language became the lingua franca of the Middle East, and was officially used for administration, although the Sumerian language remained as a spoken and literary language.