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 World War II, large parts of Berlin were destroyed in the 1943 – 45 air raids and during the Battle of Berlin.

During the summer of 1943 – 44, he played for tips at the Maxwell Street market in a band with Earl Hooker.

During Chaplin's legal trouble over the Barry affair, he met Oona O ' Neill, daughter of Eugene O ' Neill, and married her on 16 June 1943.

During World War II the city experienced a year-long German occupation ( 1943 – 1944 ) and was declared an open city.

During part of 1943 and 1944, Bogart went on USO and War Bond tours accompanied by Mayo, enduring arduous travels to Italy and North Africa, including Casablanca.

During 1943, as the Soviet armies advanced towards the borders of the Reich, the western Allies developed the ability to launch devastating air raids on most German cities, including Berlin.

During the Defence of the Reich campaign in 1943 and 1944, there were not enough commissioned fighter pilots and leaders to meet attrition rates ; as the need arose to replace aircrew ( as attrition rates increased ), the quality of pilot training deteriorated rapidly.

During the early period of American involvement in World War II ( December 7, 1941 – September 22, 1943 ), the Purple Heart was awarded both for wounds received in action against the enemy and for meritorious performance of duty.

During the occupation of Norway by Nazi Germany Frisch was imprisoned in Bredtveit concentration camp from 17 October 1943, then in Berg concentration camp from 22 November 1943, then in Grini concentration camp from 9 December 1943 to 8 October 1944.

During the 1930s French pioneers Philippe Tailliez and Jacques-Yves Cousteau used and widely tested the Le Prieur apparatus before Émile Gagnan and Cousteau worked together on the invention of the modern regulator in 1943.

During the Continuation War, Kekkonen served as director of the Karelian Evacuees ' Welfare Centre from 1940 to 1943 and as the Ministry of Finance's commissioner for coordination from 1943 to 1945, tasked with rationalising public administration.

During Japan's initial conquest it captured of oil (~ 5. 5 × 10 < sup > 5 </ sup > tonnes ) left behind by retreating Allied forces, and by 1943 was able to get production in the Dutch East Indies up to, 76 percent of its 1940 output rate.

During the night 29 – 30 January 1943, Chapman with MI5 officers faked a sabotage attack on his target, the de Havilland aircraft factory in Hatfield, Hertfordshire, where the Mosquito was being manufactured.

During World War II, the city was badly affected by Allied bombings, and after German occupation in 1943, Milan became the main centre of the Italian resistance movement.

During World War II, Palermo was untouched until the Allies began to advance up Italy after the Allied invasion of Sicily in 1943.

During World War II Cagliari was heavily bombed by the Allies in February 1943.

During the fascist regime of Benito Mussolini ( 1922 – 1943 ), the Carabinieri were one of the police forces entrusted with suppressing opposition in Italy.

During World War II ( 1943 ) Alghero was bombed, and its historical centre suffered heavy damage.

During WWII, the Este Castle, adjacent to the Corso Roma, now known as the Corso Martiri della Libertà, was the site of an infamous massacre in 1943.

During the Second World War, the Battle of the St. Lawrence involved a number of submarine and anti-submarine actions throughout the lower St. Lawrence River and the entire Gulf of Saint Lawrence, Strait of Belle Isle and Cabot Strait from May to October 1942, September 1943, and again in October and November 1944.

During this period, Feijenoord's only trophy was a divisional championship in 1943.