During the summer, Negroes began quietly patronizing previously segregated restaurants and lunch counters in downtown retail establishments.

During the Triassic Period (), the reptiles began to out-compete the amphibians, leading to a reduction in both the amphibians ' size and their importance in the biosphere.

During the 1960s the use of manual sign language grew greatly, but it was not until the 1980s that AAC began to emerge as an area in its own right.

During the Achaemenid Persian Empire, around 600 BC the Persians first began to use the abacus.

During this time Thomas Aquinas began to study under Albertus.

During that time Alboin turned his attention to Tuscany, but signs of factionalism among his supporters and Alboin's diminishing control over his army increasingly began to manifest themselves.

During his military governorship Johnson, seemingly, began to moderate his view of slavery.

During the first half of the 19th century, some of the songs African-Americans sang also began to appear in use for shipboard tasks, i. e. as shanties.

During the 19th century, the fields of science and art became increasingly intertwined as scientists such as Michael Faraday began to study the damaging effects of the environment to works of art.

During the 1960s, De Palma began making a living producing documentary films, notably The Responsive Eye, a 1966 movie about The Responsive Eye op-art exhibit curated by William Seitz for Museum of Modern Art in 1965.

During this stretch, the Orioles began to phase out their veteran infield by replacing Davey Johnson and Brooks Robinson with younger stars Bobby Grich and Doug DeCinces, respectively.

During the summer of 1959, Pasternak began writing The Blind Beauty, a trilogy of stage plays set before and after Alexander II's abolition of serfdom in Russia.

During the 1950s, however, Graham began distancing himself from the older fundamentalism and, in preparation for his 1957 New York Crusade, he sought broad ecumenical sponsorship.

During the 1960s the political atmosphere began to gradually change, and attention was once again directed to Chaplin's films instead of his political views.

During the second stage, writing began to appear on paper, papyrus, clay, wax, etc.

During the period of industrialization, food began to be mass produced, mass marketed, and standardized.

During the 18th century, jewelers began making pieces with inexpensive glass.

During World War II, because of paper shortages, the size of Sunday strips began to shrink.

During the middle of the 20th century the French reluctantly began to accede to reasonable requests, and in 1946 Comoros had become a separately administered colony from Madagascar.

" During the 1970s, widely different methods began to be seen as part of a new emerging discipline of computational chemistry.

During his reign the Empire conquered Thrace, Noricum, Pamphylia, Lycia and Judaea, and began the conquest of Britain.

During this time period, Marker began to travel around the world as a journalist and photographer, a vocation he would continue the rest of his life.

During this period, Alston began to teach the 10-year old Jacob Lawrence, whom he strongly influenced.

During the late Neolithic henge sites were constructed, single burials began to become more commonplace and by the Bronze Age it is possible that even where chambered cairns were still being built they had become the burial places of prominent individuals rather than of communities as a whole.

During this period Pissarro began to understand and appreciate the importance of expressing on canvas the beauties of nature without adulteration.

During his tenure he also fulfilled guest engagements at the Berlin State Opera.

During the summer he had tried to repair some of his losses at the track, and the bare trees reminded him that his pari-mutuel tickets would still be lying, like leaves, in the gutters near Belmont and Saratoga.

During this period, a total of 762 exhibits were presented at 442 medical and scientific meetings.

During the war it was in constant use by the wagon trains transporting supplies from the railhead at Grafton to the troops operating in the interior.

During Oersted's attendance at the university, it was poorly equipped with physical apparatus for experimenting in the sciences.

During the latter procedure the temperature was maintained at 2-degrees-C by surrounding the apparatus with ice.

During the poetically sterile years he was writing novels at the rate of almost one a year and was, in addition, burdened with bad health ( he spent six months in bed in 1881, too ill to do more than work slowly and painfully at A Laodicean ).

During a 1933 tsunami in Japan the sea glowed brilliantly at night.

During the Civil War, Custer, who achieved a brilliant record, was made brigadier general at the age of 23.

During Dulles's first two years in office, while Republicans ran the Senate, the Department was at the mercy of men who had thirsted for its blood since 1945.

During the quarrel I learned what the trouble was, from the accusations each hurled at the other.

During his second week at sea he brought the curious melody out of the instrument and suddenly wanted to force the biwa to remain at just that moment in its history when it had given him pleasure.

During his raid on Washington, D. C. in 1864, Lincoln was watching the combat from an exposed position ; Captain Oliver Wendell Holmes shouted at him, " Get down, you damn fool, before you get shot!

During the first stage of the plague outbreak, Paneloux preaches a sermon at the cathedral.

Within a short while, he grasps what is at stake and warns the authorities that unless steps are taken immediately, the epidemic could kill off half the town's population of two hundred thousand within a couple of months .</ br > During the epidemic, Rieux heads an auxiliary hospital and works long hours treating the victims.

During its preparation he became a friend of Cosima Wagner ( then in Strasbourg ), with whom he had many theological and musical conversations, exploring his view of Bach's descriptive music, and playing the major Chorale Preludes for her at the Temple Neuf.

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 World War II, Turing worked for the Government Code and Cypher School ( GCCS ) at Bletchley Park, Britain's codebreaking centre.

During the four years of his reign disaster followed on disaster, and in 1695 Ahmed II died at Edirne Palace, worn out by disease and sorrow.

During his reign, Poland suffered much humiliation at the hands of her subject principality, Moldavia.

During the honeymoon, a pastry cook named Otero fired at the young sovereign and his wife as they were driving in Madrid.

During his short reign, peace was established both at home and abroad, finances were well regulated, and the various administrative services were placed on a basis that afterwards enabled Spain to pass through the disastrous war with the United States without the threat of a revolution.

During the press conference, the astronauts answered questions pertaining to several technical and non-technical aspects of the mission prepared and listed by priority at the Manned Spacecraft Center in Houston by journalists covering the flight.