During the 1820s and 1830s, HBC trappers were deeply involved in the early exploration and development of Northern California.

During WWII and beyond, RCA set up several new divisions, for defense, space exploration and other activities.

During his time at the archives, Steiner wrote Die Philosophie der Freiheit ( The Philosophy of Freedom or The Philosophy of Spiritual Activity — Steiner's preferred English title ) ( 1894 ), an exploration of epistemology and ethics that suggested a path upon which humans can become spiritually free beings.

During early European and American exploration of the Great Plains, the region in which the Dust Bowl occurred was thought unsuitable for European-style agriculture ; the region was known as the Great American Desert.

During the 1990s, further exploration was stalled because of legal battles between the Triton partners.

During the course of this exploration, Holloway's resolve slowly deteriorates, until the house's bizarre architecture leads him to believe an image he sees down a hall is the " monster " stalking them when, in fact, he is actually looking at his own men ; he shoots one of them, and, upon realizing what he's done, suffers a complete psychological breakdown and tries to murder them.

During the first few days of exploration, they identified the site of Old Point Comfort ( which they originally named " Point Comfort ") as a strategic defensive location at the entrance to the body of water that became known as Hampton Roads.

During his exploration of the site, Karl Richard Lepsius identified a series of blocks and broken colonnades in the name of Thutmose IV to the east of the Temple of Ptah.

: During the early period of exploration and development of ideas, premature conference presentations and individual seminars were given by various members of the Cambridge group in other archaeological departments in England and abroad.

During the early phase of the exploration of the northern part of the Philippines López de Legazpi had remained in Cebu, and had not accompanied his men during their colonization of Manila, because of health problems and advanced age.

During his exploration of northwest Europe ( c. 320 BC ), Pytheas of Massilia called the island Iérnē ( written ).

During the 1980s he was the host of a popular television program on space exploration entitled Man, Earth, Universe.

During the third exploration, which departed from the Mayflower on December 6, 1620, a group of men including Bradford located present day Plymouth Bay.

During his exploration, Colter became the first known European to visit what is now known as Yellowstone National Park ; he reported on what was named the eponymous Colter's Hell.

During the over 300 years of Brazilian colonial history, the economic exploration of the territory was based first on brazilwood extraction ( 16th century ), sugar production ( 16th – 18th centuries ), and finally on gold and diamond mining ( 18th century ).

During this brief period in jail he started working on his first novel, Ecué-Yamba-O, an exploration of Afro-Cuban traditions among the poor of the island.

During her exploration of Tallon IV, Samus finds the twelve keys to the Artifact Temple, and lores recorded by both the Chozo and the Space Pirates, providing some more insight about the history of the planet and the two races ' colonization of it and other activities.

During Frondizi's administration, in summary, foreign investment was most encouraged into the sectors creating most of the trade deficits chronic to the Argentine economy between 1949 and 1962 ; indeed, 90 % of all foreign investment during his term went into oil exploration, oil refineries, the auto industry, steel and household durables.

During this exploration, while making a reconnaissance of the higher reaches of the Dudh Khola, they clearly saw Manaslu from Bumtang.

During a sumptuous feast on the Isle of Love, Tethys, who is now the lover of da Gama, prophecies the future of Portuguese exploration and conquest.

During the 1970s and 1980s Israel began developing the infrastructure needed for research and development in space exploration and sciences.

During Roe's time in term in the Survey Office, he attempted to transcribe every journal of exploration in Western Australia.

During their exploration, the Martian starship is attacked by an unknown starship which causes its automated defence systems to come online.

During these years she wrote nothing on travel and exploration, but published a volume of miscellaneous essays, Perseus in the Wind ( 1948 ) and three volumes of autobiography, Traveller's Prelude ( 1950 ), Beyond Euphrates.

During the hottest part of the day, of course, the sun comes straight down and there isn't any shade ''.

During the decade that followed, the common man, as that piece put it, grew uncomfortable as the Voice of God and fled from behind Saint Woodrow ( Wilson ) only to learn from Science, to his shocked relief that after all there was no God he had to speak for and that he was just an animal anyhow -- that there was a chemical formula for him, and that too much couldn't be expected of him.

During one recent day of driving about Los Angeles there were actually a dozen occasions when oncoming drivers stopped an entire lane of traffic to permit me to pull out of an impossible side street.

During fiscal years 1959 and 1960, there were 139 military and civilian students who came to the Institute for varying periods of special instruction.

During fiscal years 1959 and 1960, there were 795,586 visitors to the Museum.

During much of the year the general level of business activity has moved along on a record-high plateau, but there have been persistent signs of slack in the economy.

During the month of November hardly a day passed when there was not some mention of John Brown in the Rhode Island newspapers.

During the 1950s there were as many as 25,000 schools in the Congo.

During about three and a half months of the year, in the summer, there are three boats that run from the mainland to the Island carrying passengers, food, and cars ; ;

During the 1970s and 1990s, there was an epistemological shift away from the positivist traditions that had largely informed the discipline.

During Christie and Mallowan's time in the Middle East, along with their time spent among the many tombs, temples, and museums, there was also a large amount of time spent traveling to and from Mallowan's sites.

During Darnley ’ s lifetime there was little public knowledge of the urn, and no record of a published photograph exists before 1921.

During each winter there is usually one fall of snow in the south and two in the north ; but the snow quickly disappears, and sometimes, during an entire winter, the ground is not covered with snow.

During the 3rd millennium BC, there developed a very intimate cultural symbiosis between the Sumerians and the Akkadians, which included widespread bilingualism.

During the 3rd millennium BC, there developed a very intimate cultural symbiosis between the Sumerians and the Akkadians, which included widespread bilingualism.

During the 4th century BC, there may well have been some 250, 000 – 300, 000 people in Attica.

During the third millennium BC, there developed a very intimate cultural symbiosis between the Sumerians and the Akkadians, which included widespread bilingualism.

During the Neolithic Revolution, which occurred during the early Holocene, there were at least two aurochs domestication events: one related to the Indian subspecies, leading to Zebu cattle ; the other one related to the Eurasian subspecies, leading to taurine cattle.

During apartheid there was violence between the ANC and the Inkatha Freedom Party.

During the monsoon there are frequent heavy rains and thunderstorms but flooding is not a common occurrence.

During his time at al-Farooq, there is a curious mention under Mushabib al-Hamlan's details that Nami had recently had laser eye surgery, an uncited fact that does not reappear.

During the 18th century there were many innovations in the design of timber bridges by Hans Ulrich, Johannes Grubenmann, and others.

During the time of the Judges when there was a famine, an Israelite family from Bethlehem — Elimelech, his wife Naomi, and their sons Mahlon and Chilion — emigrate to the nearby country of Moab.

During the Exile many Jews were taken to Babylon, where the prophets told them to make their homes (), suggesting they would spend a long period of time there.