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.

During the 4th century BC, there may well have been some 250, 000 – 300, 000 people in Attica.

During the 3rd and 4th centuries many ecclesiastics and monks wrote in Coptic.

During the Battle of France in 1940, De Gaulle's 4th Armoured Division and elements of the British Expeditionary Force's 1st Army Tank Brigade both made probing attacks on the German flank, actually pushing into the rear of the advancing armoured columns at times.

During the 2008 regular season, the Cardinals traveled to play the Panthers and took a 17-3 lead at halftime, but the Panthers rallied in the 3rd and 4th quarters to win.

During the early 4th Century, Saint Augustine restates the closely related liar paradox in Against the Academicians ( III. 13. 29 ), but without mentioning Epimenides.

During the classical period in Greece ( 6th, 5th and 4th centuries BCE ) and in Hellenistic times, natural philosophy slowly developed into an exciting and contentious field of study.

During the 1st, 2nd, and 4th stroke the piston is relying on power and the momentum generated by the other pistons.

During the construction of Kerameikos station for the expanded Athens Metro, a plague pit and approximately 1, 000 tombs from the 4th and 5th centuries BC were discovered.

During the 2012 NFL Draft, the team selected USC lineman Matt Kalil with the 4th overall pick after a trade with the Cleveland Browns, and Notre Dame safety Harrison Smith in the first round.

During the last half of the 4th century BC, the time of Pytheas ' voyage, Massaliotes were presumably free to operate as they pleased ; there is, at least, no evidence of conflict with Carthage in any of the sources that touch on the voyage.

The earliest original writings in Coptic language were the letters by St. Anthony of Egypt, first of the “ Desert Fathers .” During the 3rd and 4th centuries many ecclesiastics and monks wrote in Coptic, among them, St. Pachomius, whose monastic rule ( the first cenobitic rule, for solitary monks gathered in communities ) survives only in Coptic.

During the 4th century, after more than 300 years of repression and sometimes fierce persecution under various Roman emperors, the church became established as a political as well as a spiritual power under the Emperor Constantine.

During the 4th and 5th centuries, the Roman practice of coopting Germanic tribes to provide military and defense services along the route from Boulogne to Cologne created a Germanic-Romance linguistic border in the region that persisted until the 8th century.

During the later Roman period, between the 2nd and late 4th centuries, it appears to have been a centre for iron working, using the local iron ores and charcoal also worked at nearby Gobannium ( Abergavenny ) and Ariconium ( near Ross-on-Wye ).

During the 4th and 5th centuries, the Roman practice of coopting Germanic tribes to provide military and defense services along the route from Boulogne to Cologne created a Germanic-Romance linguistic border in the region that persisted until the 8th century.

During the Pre-Roman Iron Age ( from the 4th to the 1st century BC ), the climate in Denmark and southern Scandinavia became cooler and wetter, limiting agriculture and setting the stage for local groups to migrate southward into Germania.

During the Second French Empire, Metz hosted in 1861 the 4th universal world's fair on the Republic square and the Esplanade garden.

During the Napoleonic Wars, they served from 1810 to 1814 in the Peninsular War ; fighting at Albuera, Badajoz, Salamanca, the Pyrenees, Nivelle and Toulouse and took part in the Battle of Waterloo where they fought in the 4th Brigade under Lt-Col. Hugh Henry Mitchell, in the 4th British Infantry Division ( see Order of Battle of the Waterloo Campaign ).

During the administrative reforms of the 4th century this province was abolished and divided into smaller units.

During the 4th century, Aquileia maintained its importance.

During the 4th century, the letter B took the place of the V, and the city name changed to Besontio or Bisontion and then underwent several transformation to become Besançon in 1243.

During the Civil War, Pike County men formed two full companies for service in regiments formed in Montgomery County, in the Confederate Army, with the most active being the 4th Arkansas Infantry, and the county was firmly in support of the Confederate States of America.

During the 4th to the 6th century AD, this crucial border region between northern and southern states was much fought over ; its name and administrative status were consequently often changed.

During the period of the Delian League and the Second Athenian League ( 5th – 4th century BC ), many more cleruchies were created by Athens such as on Samos Island proved worthy in the Social War.