During early research, archeologists had mistakenly attributed several Mississippian culture sites to the Cherokee, including Moundville and Etowah Mounds.

During the Mississippian Culture-period ( 800 to 1500 CE ), local women developed a new variety of maize ( corn ) called eastern flint.

During the Hopewell and Mississippian periods of the American Southeast and Midwest goods of repoussé copper were fashioned as ritual regalia and eventually used in prestige burials.

During what archaeologists call the Mississippian period ( c. 1000 – 1600 A. D .), East Tennessee's Native American inhabitants were living in complex agrarian societies at places such as Toqua and Hiwassee Island, and had formed a minor chiefdom known as Chiaha in the French Broad Valley.

During the Mississippian culture period, the presence of items associated with the black drink ceremony had spread over most of the south, with many hundreds of examples from Etowah, Spiro, Moundville and Hiwassee Island.

During the time of the Mississippian culture, the polity of Moundville apparently had some control over the production and distribution of greenschist.

During 1960, two important conferences were organized by the Development Council's Industrial Division.

During these early years the repair of watches and clocks and the building of special clocks for church steeples formed an important part of the young man's occupation.

During the making recently of an important Biblical film, some 40 volumes of research material and sketches not only of costumes and interiors, but of architectural developments, sports arenas, vehicles, and other paraphernalia were compiled, consulted, and complied with.

During his five years as an assistant director, Kurosawa worked under numerous directors, but by far the most important figure in his development was Kajiro Yamamoto.

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 1960s and 1970s, the city gained a reputation as an important center for liberal politics.

During his acceptance speech he reflected on the important influence of traditional European music and the melancholy of the Swedish soul on ABBA's brand of pop music.

During the Viking Age, Birka ( Birca in medieval sources ), on the island of Björkö ( literally: " Birch Island ") in Sweden, was an important trading center which handled goods from Scandinavia as well as Central and Eastern Europe and the Orient.

During the Han dynasty period, the important Confucian text Lessons for Women ( Nüjie ), was written by Ban Zhao ( 45-114 CE ): by a woman, for women.

During that time the English won the Battle of Flodden, an event in which Catherine played an important part.

During the period c. 500-450 BC, the tin deposits seem to have become more important, and fortified settlements appear such as at Chun Castle and Kenidjack Castle, to protect both the tin smelters and mines.

During their time in Rome, Fermi and his group made important contributions to many practical and theoretical aspects of physics.

During the 1950s and 1960s, the electric guitar became the most important instrument in pop music.

During the Renaissance the gambas were important and elegant instruments ; they eventually lost ground to the louder ( and originally less aristocratic ) lira da braccio family.

During this period there were other styles that were still important, and these can be considered to lie along a spectrum between the best examples of " continuity cinema " at one extreme, and at the other extreme the " DIS-continuity cinema " of D. W. Griffith.

During his acceptance speech for the AFI award, he stressed his most important values:

During this era coffee became an important crop for Guatemala.

During his long career, Bernini received numerous important commissions, many of which were associated with the papacy.

During the Crusades, Galilee was organized into the Principality of Galilee, one of the most important Crusader seigneuries.

During his time in office, a number of important laws were implemented, such as those giving women access to the justice system, and, after the assassination of Walter Rathenau, the law for the protection of the republic.

During the Uruk phase, colonists and traders from Southern Iraq established important quarters in settlements throughout the northern part of the Levantine region ( e. g. Amuq ).

During this time the Kingdom of Yamkhad on the Euphrates, and of Qatna on the Orontes, were important city states of the Syrian region.

During this interregnum, the heads of the dicasteries of the Roman Curia ( such as the prefects of congregations ) cease immediately to hold office, the only exceptions being the Major Penitentiary, who continues his important role regarding absolutions and dispensations, and the Camerlengo of the Holy Roman Church, who administers the temporalities ( i. e., properties and finances ) of the See of St. Peter during this period.

During the latter part of the Roman period British agricultural products, paid for by both the Roman state and by private consumers, clearly played an important role in supporting the military garrisons and urban centres of the northwestern continental Empire.

During their occupation of Britain the Romans founded a number of important settlements, many of which still survive.

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 more radical phase of the Revolution from 1793 to 1794, the usage and depiction of Hercules changed.

During the first phase of whaling the hauls were generally good, some exceptional.

During the second phase the hauls were much lower.

During the scientific research phase of his career, he tried to answer the question of whether man had a hidden aquatic potential that could be evoked by rigorous physiological and psychological training.

During phase transitions, the heat flow required to maintain this heating or cooling rate will change.

During their nomadic phase, the Lombards created little in the way of art that was not easily carried with them, like arms and jewellery.

During the launch phase of the mission, the Mercury spacecraft and astronaut were protected from launch vehicle failures by the Launch Escape System.

During the AGB phase, the star undergoes mass loss, emitting a circumstellar shell of hydrogen gas.

During the second phase two dikes were built parallel to each other, which took 2 years.

During the first phase, sprouts emerge from the seed potatoes and root growth begins.

During the airborne phase of the Normandy invasion on the night of 5 – 6 June 1944, British 6th Airborne Division captured all its key objectives in advance of the seaborne assault, including the capture and holding at all costs of a vital bridge over the Caen Canal, near Ouistreham.

* < div id =" drive knee "> Drive knee: During the plant phase, the knee is driven forward at the time of " takeoff " to help propel the vaulter upward .</ div >

During the development phase, 80 % of the 944's mechanical components were either significantly modified or completely replaced by the engineers, leaving so little of the outgoing S2 behind that Porsche management chose to introduce the variant as a new model, entitling it 968.

During the building phase Potsdamer Platz was the largest building site in Europe.

During the support phase, the foot is in contact with the ground and supports the body against gravity.

During the transitional phase of Sega dropping out of the console race to concentrate on software and game development, all of its main departments were separated from the main company and established on semi-autonomous subsidiaries.

During the next major phase of activity, 30 enormous Oligocene-Miocene sarsen stones ( shown grey on the plan ) were brought to the site.

During the Silicon Graphics Inc .' s second bankruptcy phase, it was renamed to Graphics Properties Holdings, Inc .( GPHI ) in June 2009.

During this early phase of history, the majority of Turkmenistan's inhabitants were either adherents of Zoroastrianism or Buddhism and the region was largely dominated by Iranian peoples.

During the canal ’ s planning phase, many small towns along the northern shores of Maumee River heavily competed to be the ending terminus of the canal knowing it would give them a profitable status.

During the 1940s, Onsager studied the statistical-mechanical theory of phase transitions in solids, deriving a mathematically elegant theory which was enthusiastically received.

During fractional crystallization, Sr tends to become concentrated in plagioclase, leaving Rb in the liquid phase.