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 trip Selkirk decided that the route through Illinois territory to Indiana and the eastern United States was the best route for goods from England to reach Red River and that the United States was a better source of supply for many goods than either Canada or England.

During the 1990s, Chile signed free trade agreements ( FTA ) with Canada, Mexico, and Central America.

During the 19th century in the US, the length of canals grew from to over 4, 000, with a complex network making the Great Lakes navigable, in conjunction with Canada, although some canals were later drained and used as railroad rights-of-way.

During the 1840s, Lyell traveled to the United States and Canada, and wrote two popular travel-and-geology books: Travels in North America ( 1845 ) and A Second Visit to the United States ( 1849 ).

During this period, the AVLA ( Audio Video Licensing Agency ) of Canada announced an MP3 DJing license, administered by the Canadian Recording Industry Association.

During the War of 1812, the Detroit River served as a major barrier between the American Michigan Territory and British Upper Canada, especially during the Battle of Fort Detroit in August 1812, when Detroit briefly fell to the British.

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 time in Canada, Sapir also acted as an advocate for Indigenous rights, arguing publicly for introduction of better medical care for Indigenous communities, and assisting the Six Nation Iroquois in trying to recover eleven wampum belts that had been stolen from the reservation and were on display in the museum of the University of Pennsylvania, the belts were only returned to the Iroquois in 1988.

During the early years of the 20th century, demand for general merchandise increased, and stores were first operated from the trading posts that were established across northern Canada.

* 1967 – During an official state visit to Canada, French President Charles de Gaulle declares to a crowd of over 100, 000 in Montreal: Vive le Québec libre!

During the rest of the 1800s the unit was active in China, Canada ( Wolseley Expedition ), Afghanistan, India, Burma and South Africa.

During his retirement, he was called into the public spotlight one final time in 1967 for the inception of the award, he was made a Companion of the Order of Canada.

During the summer of 1925 Bloomfield worked as Assistant Ethnologist with the Geological Survey of Canada in the Canadian Department of Mines, undertaking linguistic field work on Plains Cree ; this position was arranged by Edward Sapir, who was then Chief of the Division of Anthropology, Victoria Museum, Geological Survey of Canada, Canadian Department of Mines.

During the same time two Cessna 337s and two DHC-5 Buffalo STOL transports were supplied in 1977-78 with one DHC-5 crashing almost immediately and the other being returned to De Havilland Canada in 1979.

During the " Crüesing Through Canada Tour ' 82 ," there were several widely-publicized incidents.

During 1968, Mazda started formal operations in Canada ( MazdaCanada ) although Mazdas were seen in Canada as early as 1959.

During the summer of 1989, New Order supported Technique by touring with Public Image Ltd, Throwing Muses and The Sugarcubes across the United States and Canada in what was the press dubbed the " Monsters of Alternative Rock " tour.

During the early part of the era, the area of exposed Precambrian, or shield, rocks in central Canada were eroding, supplying sediment to the basins from the interior.

During summer, Passenger Pigeons lived in forest habitats throughout North America east of the Rocky Mountains from eastern and central Canada to the Northeastern United States.

During the mid-nineteenth century, ships carrying timber from Canada ( particularly Quebec City ) would arrive at Padstow and offer cheap travel to passengers wishing to emigrate.

* During construction of the Canadian Pacific Railway in 1883, blasting and excavation reveal high concentrations of nickel – copper ore at Murray Mine on the edge of the Sudbury Basin located near Sudbury, Ontario, Canada.

* July 24 – During an official state visit to Canada, French President Charles de Gaulle declares to a crowd of over 100, 000 in Montreal: Vive le Québec libre!