Since the first pioneering efforts of Florey and Chain in 1939, the importance of antibiotics, including antibacterials, to medicine has led to intense research into producing antibacterials at large scales.

Since at least the 1960s, when Marc Bloch's Feudal Society ( 1939 ) was first translated into English in 1961, many medieval historians have included a broader social aspect that includes not only the nobility but all three estates of the realm, adding the peasantry bonds of manorialism and the estates of the Church ; this is sometimes referred to as " feudal society " since it encompasses all members of society into the feudal system.

Since 1939, guns are divided into eight categories:

Since 1939, the base's water had been supplied by pipelines that drew water from the Yateras River about northeast of the base.

Since the Second Polish Republic ( 1918 – 1939 ) Sejm has referred only to the lower house of the parliament ; the upper house is called the Senat.

Since 1 September 1939 the German University was subordinated to the Reichsministry of Education in Berlin and on 4 November 1939 it was proclaimed to be Reichsuniversität.

Since its creation in 1934, the NKVD of the USSR underwent many organizational changes ; between 1938 and 1939 alone, the NKVD's structure changed three times.

Since Infante John's and Infante Peter's deaths in 1939, Infante Philip ( son of Sancho IV and María de Molina, thus brother of Infante Peter ), Juan Manuel ( the king's second-degree uncle by virtue of being Ferdinand III's grandson ) and Juan el Tuerto ( the late Juan's son and the king's second-degree uncle ) split the kingdom among themselves according to their aspirations for regency, even as it was being looted by moors and Levantine nobility.

Blue Note 2: the Album Cover Art: The Finest in Jazz Since 1939.

Since 1939 the Zamboni family has also operated Iceland, an ice skating rink with improvements patented by Frank Zamboni.

Since 1929, it was part of the Sava Banovina, and beginning in 1939 it was part of the Banovina of Croatia.

Since September 1939 in nearby forest called Szpęgawski Forest ( north-east of the town ) Germans had killed in mass executions about 7000 Poles, among them 1680 Kocborowo ( Konradstein ) and Świecie psychiatric hospitals patients.

Since 1939 it has been owned by the Swedish Pentecostal movement and is used as a training center by nearby Kaggeholm College.

Since he was a witness, not a defendant, the questioning was not intended to prove Rundstedt's guilt: it was designed to bolster the prosecution's case that the high command had functioned as an organisation and that it was collectively responsible for the German invasions of various countries between 1939 and 1941 and also for the war crimes committed during those invasions.

Since June 1939, the property Frapart ( the Castle ) is used as the main establishment of the urban administration.

Since 1921 under the Peace Treaty of Riga the territory belonged to Second Polish Republic, in 1939 it became a part of the USSR and since its fall in 1991-one of 6 provinces of independent Belarus.

Since the start of the pontificate of Pope Pius XII ( 1939 – 1958 ), exceptions may be allowed for married Protestant ministers or Anglican clergy who convert to Catholicism and wish to become priests in the Catholic Church, provided their wives consent.

Since the archive was moved and re-established at Sussex University, a number of books based on the diaries commissioned by Mass Observation in 1939 have been published.

Since 1939, C. F. Møller Architects has been responsible for building activities of the university which today has a floor area of 246, 000m < sup > 2 </ sup > in the University Park alone and a series of buildings outside the Park with a total floor area of 59, 000m < sup > 2 </ sup >.

Since 1939, it has been compulsory to have third party personal insurance before keeping a motor vehicle in all federal states of Germany.

Since Sapir's death in 1939 linguists have spent their time researching his proposals, and generally there have been two opposing camps in this endeavor: the so-called " lumpers " who are generally favorably inclined towards notions of genetic relationships, and the " splitters " who are generally critical of such proposals expecting successful family relations to be proven by the most rigorous standards of scholarship.

Since 2012 Ukraine has the same date for its Navy Day as Russia and the Soviet Union ( like Russia, Ukraine is a former Soviet republic ); the Soviet Union introduced its Navy Day in June 1939 ; the date was chosen because of a connection with the day the Battle of Gangut took place.

Since her previous work, Good Morning, Midnight, was published in 1939, Rhys had lived in obscurity.

Since then, and since the pure grain had gotten him divorced from every decent -- and even indecent -- group from Greenwich Village to the Embarcadero, he had become a sucker-rolling freight-jumper.

Since appeals to morality, to humanity, and to sanity have had such small effect, perhaps our last recourse is the deterrent example.

Since his seizure, Scotty had had little appetite ; ;

Since Mr. McKinley had to give a lecture, Rachel and Scotty drove home alone in the Plymouth.

Since she could not act, one part suited her as well as any other, and so she was the first person to offer Mr. Lincoln a glass of water, holding it up to the box, high above her head, to Miss Harris, who had asked for it.

Since the Santo Spirito hospital had taken only men, he had had no experience in the study of female anatomy ; ;

Since then, the flowers she had planted had spread all over the hill.

Since he had gross income of $600 or more, he must file a return in which he may claim an exemption deduction of $600.

Since the writer had established this democratic procedure in the beginning he had to go along with their decision -- after, of course, pointing out whether he thought their decision was a wise or an unwise one.

Since the writer had not noticed this characteristic in married students scattered throughout the various sections previous to this experiment, nor, as a matter of fact, in those who were continuing in `` single sections '', he can only conclude that there must have been something `` contagious '' within the specific group which caused this to occur.

Since the details of the elections were settled the change of government had no direct effect on the technical aspects of the elections, and may have been more important as an indication of royal displeasure with the U.N.F.P.

Since the strength of the Mexicans had been underrated, too small a posse had been collected, and since the deputy had not been provided with search warrants, MacPherson and his men decided it was much wiser to withdraw.

Since the magnitude of the plan made secrecy impossible, once the wheels had began to turn, persons controlling German industries, social institutions, and armed forces became, through their anti-Semitism or their tolerance of it, conscious accomplices of Hitler's crimes ; ;

Since Mrs. Calhoun remembered only that the marriage had been in the spring, he started to plod through several months.

Since then he had worked at this and that, though some said his main interest was gambling.

Since Election Day, Vice President Richard Nixon had virtually retired -- by his own wish -- from public view.

Since he possessed more power in an interdependent universe of living beings and dead spirits, the emperor had to use it for the benefit of the living.

Since the 1980s, with the advent of flexible, yet stiff graphite ferrules, travel rod technology has greatly advanced, and multi-piece travel rods that can be transported in a suitcase or backpack constitute a large share of the market.

Since its incorporation, Sharpsburg became an industrial town, manufacturing iron, brick and glass while goods were transported through the canal that bisected the borough, along with the Allegheny River.

Since the veins return blood to the heart, if a piece of a blood clot formed in a vein breaks off it can be transported to the right side of the heart, and from there into the lungs.

Place: Since service delivery is concurrent with its production and cannot be stored or transported, the location of the service product assumes importance.

Since cholesterol is insoluble in water, it is transported in the blood plasma within protein particles ( lipoproteins ).

Since air travel was not to be entirely trusted at the time with such precious cargo, it was transported by ship, accompanied by a military escort.

Since films are still transported in multiple reels they must be joined together when placed on the projector reel and taken apart when the film is to be returned to the distributor.

Since stockpiles at Cushing cannot be easily transported to the Gulf Coast for export, WTI crude is unable to be arbitraged in bringing the two back to parity.

* Since they are transported by glaciers, they are one of a series of indicators which mark the path of prehistoric glacier movement.

Since the famine of the 1840s a railway system had been built, allowing food to be transported to the west of Ireland in days instead of months.

Since the American Colonies had won independence by this time, the majority of convicts were transported to Australia.

Since electricity can be transported practically, it is more efficient to generate the electricity near where the waste heat can be used.

Since the species are listed as endangered, any remains of dead animals are confiscated by the federal government and transported to a central repository in Colorado ; members of Native American Indian nations then have to apply individually to receive parts, such as feathers, in a lengthy process with wait-times that can exceed several years.

Since the period the airline was founded and up to date we've had over 25, 000 flights and have transported more than 3. 5 million passengers.

Since 1861 the question was broadend to include the question where the hondsrug rocks came from, and in 1867 Torell sent in a proposal to declare the rocks were transported by glaciers and was awarded the prize ( a gold medal worth 400 guilders and cash to the amount of 150 guilders ) but he never collected it, to the great frustration of the Haarlem Society's secretary, who sent him letters requesting his manuscript for publication.

Since the 1960s, container trains have become the dominant solution for general freight, while large quantities of bulk are transported by dedicated trains.