During the extended peak of the strip, the workload grew to include advertising, merchandising, promotional work, public service comics and other specialty work — in addition to the regular six dailies and one Sunday strip per week.

During the 17th century, English emigration to the British colonies in North America was at its peak, and the new settlers took the English language with them.

During the 1990s, the first peak was measured with increasing sensitivity and by 2000 the BOOMERanG experiment reported that the highest power fluctuations occur at scales of approximately one degree.

During the peak of the age of sail, beginning in the early 17th century, it has been customary ( and later a legal requirement ) for ships to carry flags designating their nationality ; these flags eventually evolved into the national flags and maritime flags of today.

During the show's peak in popularity, Hee Haw often competed in syndication against The Lawrence Welk Show, a long-running ABC program which had also been canceled in 1971, also in an attempt to purge the networks of older demographic-leaning programs.

John Major wrote in his auto-biography that, " During my premiership interest rates fell from 14 % to 6 %; unemployment was at 1. 75 million when I took office, and at 1. 6 million and falling upon my departure ; and the government's annual borrowing rose from £ 0. 5 billion to nearly £ 46 billion at its peak before falling to £ 1 billion ".

During his reign Lithuania reached the peak of its territorial expansion, centralization of the state had begun, and the Lithuanian nobility became increasingly prominent in state politics.

During the 9th century peak of the Viking expansion, large fleets set out to attack the degrading Frankish empire by attacking up navigable rivers such as the Seine.

During peak hours, traffic is allowed to use the shoulder as an additional lane.

During the 16th century the Songhai Empire reached its peak, stretching from the Senegal and Gambia rivers and incorporating part of Hausaland in the east.

During this period, the portrayal of opium in literature became squalid and violent, British opium trade was largely supplanted by domestic Chinese production, purified morphine and heroin became widely available for injection, and patent medicines containing opiates reached a peak of popularity.

During the peak of the battle, ARVN had access to only one 105 mm howitzer to provide close support while the enemy attack was backed by an entire artillery division.

During the early 2000s, the mean year-on-year demographic growth set a new record with its 2003 peak variation of 2. 1 %, doubling the previous record reached back in the 1960s when a mean year-on-year growth of 1 % was experienced.

During the time of her presidency she has been extremely popular among Finns: her approval ratings rose and reached a peak of 88 % in December 2003.

During its second Golden Age, the Sassanid Empire reached the peak of its power under Khosrau I in the 6th century.

* November 15 – Pike expedition: During his second exploratory expedition, Lieutenant Zebulon Pike sees a distant mountain peak while near the Colorado foothills of the Rocky Mountains ( later named Pikes Peak in his honor ).

During the famous Congress of Gniezno he officially freed himself of tribute to the Holy Roman Empire and finally, at the peak of his reign, he had himself crowned as King, the first Polish ruler to do so.

During the height of the day, photosynthesis is at its peak, producing the highest levels of sugar in sap, making this the least ideal time of day to harvest.

During the reigns of Emperor Huan and Emperor Ling, leading officials ' dissatisfaction with the eunuchs ' usurpations of power reached a peak, and many began to openly protest against them.

During the peak of its popularity in the late 1980s through early 1990s, the franchise gained considerable worldwide success and fame.

During peak immigration periods several ferries on any given river often competed for pioneer dollars.

During this peak they may sing for four hours of the day, almost half the hours of daylight.

During the late 1980s and early 1990s, Oakland's black plurality reached its peak at approximately 47 % of the overall population.

During peak electrical demand, the same Lewiston pumps are reversed and actually become generators, similar to those at the Moses plant.

During his peak years, Snead was an exceptionally long driver, particularly into the wind, with very good accuracy as well.

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.