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 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 the Achaemenid Persian Empire, around 600 BC the Persians first began to use the abacus.

During this persecution many bishops were exiled to the other ends of the Empire, ( e. g., St Hilary of Poitiers to the Eastern provinces ).

During Alexius II's reign, the Byzantine Empire was invaded by King Bela III losing Syrmia and Bosnia to the Kingdom of Hungary in AD 1181, later even Dalmatia was lost to the Venetians.

During his reign, Jerusalem became more closely allied with the Byzantine Empire, and the two states launched an unsuccessful invasion of Egypt.

During the first invasion, Thrace, Macedon and the Aegean Islands were added to the Persian Empire, and Eretria was duly destroyed.

* Mann, Horace, K. The Lives of the Popes in the Early Middle Ages, Vol III: The Popes During the Carolingian Empire, 858 – 891.

During his reign, Bayezid II consolidated the Ottoman Empire and thwarted a Safavid rebellion soon before abdicating his throne to his son, Selim I.

During most of the colonial period, Costa Rica was the southernmost province of the Captaincy General of Guatemala, which was nominally part of the Viceroyalty of New Spain ( i. e., Mexico ), but which in practice operated as a largely autonomous entity within the Spanish Empire.

During his reign the Empire conquered Thrace, Noricum, Pamphylia, Lycia and Judaea, and began the conquest of Britain.

During his reign, the Empire annexed the Kingdom of Mauretania and made it into a province.

During the Spanish Empire, approximately 550, 000 Spanish settlers migrated to Latin America.

During the American Civil War ( 1861 – 1865 ), the Union feared that the seceded Confederate States of America ( CSA ) would plan a northerly attack from Canada, which was still owned by the British Empire and remained neutral in the war.

During his reign, he also set about creating the Second Mexican Empire ( headed by his choice of Maximilian I of Mexico, a member of the House of Habsburg ), to regain France's hold in the Americas and to achieve greatness for the ' Latin ' race.

During the rule of Henry VIII an Act of Parliament declared that ' this realm of England is an Empire ... governed by one Supreme Head and King having the dignity and royal estate of the imperial Crown of the same '.

During the Siege of Paris in 1871, the North German Confederation, supported by its allies from southern Germany, formed the German Empire with the proclamation of the Prussian king Wilhelm I as German Emperor in the Hall of Mirrors at the Palace of Versailles, to the humiliation of the French, who ceased to resist only days later.

During the history of the Byzantine Empire, the Greek peninsula was occasionally invaded by the foreign peoples like Goths, Avars, Slavs, Normans, Franks and other Romance-speaking peoples who had betrayed the Crusades.

During the last years of the Russian Empire, in the early 20th century, many authors continued to write in the gothic fiction genre, including historian and historical fiction writer Alexander Valentinovich Amfiteatrov, Leonid Nikolaievich Andreyev, who developed psychological characterization, symbolist Valery Yakovlevich Bryusov, Alexander Grin, Anton Pavlovich Chekhov and Aleksandr Ivanovich Kuprin.

During its 47 years of existence, the German Empire operated as an industrial, technological and scientific giant, receiving more Nobel Prizes in science than Britain, France, Russia and the United States combined.

During the Information Age ( circa 1971 – 1991 ), the Knowledge Age ( circa 1991 to 2002 ), and the Intangible Economy ( 2002 – present ) many see the primary factors of production as having become less concrete.

During operation this is achieved by substantial concrete shields.

During the planning stages of Sea Lion, it was deemed desirable to provide the advanced infantry detachments ( making the initial landings ) with greater protection from small-arms and light artillery fire by lining the sides of a Type A barge with concrete.

During the Communist rule, mass tourism facilities were built, such as the 8-12 levels tall concrete hotels Roman, Hercules A, Hercules B, Afrodita, Minerva, Diana, UGSR, etc.

During the day heat gains from the sun, the occupants of the building, and any electrical lighting and equipment, causes the air temperatures within the space to increase but this heat is absorbed by the exposed concrete slab above, thus limiting the temperature rise within the space to be within acceptable levels for human thermal comfort.

* During World War II, Sylt became a fortress, with concrete bunkers built below the dunes at the shore, some of which are still visible today.

During the Second World War, Framlingham was an important defensive location for British forces ; at least one concrete pill box was built near to the castle as part of the plans to counter any German invasion, and Nissen huts were erected and a lorry park created in the Bailey.

During the construction of the bridge, 140, 000 tons of concrete, 4, 600 tons of mild steel and 8, 150 tons of structural steel was used.

During the Second World War a large number of concrete bunkers known as pillboxes were built as part of the GHQ Line to defend against an expected German invasion, many of which are still visible along the banks of the canal.

During the 1970s when the road was built budgets were tight, and as a consequence unsurfaced concrete was used between Junction 14 and a point approximately to the south of Junction 7.

During the Second World War, large caltrop shaped objects made from reinforced concrete were used as anti-tank devices, although it seems that these were rare.

During construction of the tunnels, a number of railways were employed to convey spoil from worksites and to deliver personnel, concrete and equipment throughout.

During the War, the Soviets found it difficult to deal with the concrete bunkers used by the Finns and a request was made for a tank with a large howitzer.

During 2009 the Newport section of the motorway between junctions 23a and 29 was upgraded with a new concrete central barrier.

During construction of the electronic indicator signs for the variable speed limit scheme at junction 27 and a new concrete reservation

During this final restoration in the 1960s, the wooden interior of the tower was replaced by a concrete structure and it was commercialized and opened to the public.

During the slack period between 1945 and the Korean War ROF Bridgwater, like ROF Chorley and ROF Glascoed, built two-storey pre-fabricated concrete houses.

During the construction of the new airport, some of concrete will be used and of temporary access roads, nineteen new road bridges as well as a network of approximately of permanent roads will be built.

During this time the firm reviewed original construction documents and subsequent repair reports ; evaluated conditions and probes ; analyzed select materials ; designed the re-roofing and re-waterproofing of roofs and terraces ; specified the restoration for original steel casement windows and doors ; reconstructed failed concrete reconstructions ; restored the masonry ; analyzed interior paint finishes ; specified interior paint removal methods and re-painting ; designed repair methods for concrete and stucco ; and developed a new coating system for the concrete.

During construction additional problems included landslides and the need to protect newly poured concrete from freezing.

During construction, bulk concrete was delivered on site by rail-cars where it was further processed by eight large mixers before being placed in form.

During World War II a fleet of floating concrete harbour sections ( called Mulberry Harbours ) were towed across the English Channel to France to aid the Allied landings.