During the Warring States Period and the early Han Dynasty, China grew greatly and the need arose for a solid and centralized cadre of government officers able to read and write administrative papers.

During the Warring States Period, the pacifist Mohist School opposed aggressive war between the feudal states.

During the Warring States era of ancient China, there is both textual and archaeological evidence of prolonged sieges and siege machinery used against the defenders of city walls.

During the Warring States Period in China ( 481 – 221 BC ), warfare lost its honorable, gentlemen's duty that was found in the previous era of the Spring and Autumn Period, and became more practical, competitive, cut-throat, and efficient for gaining victory.

During the Warring States Period preceding the Qin Dynasty, the major states vying for dominance were Yan, Zhao, Qi, Chu, Han, Wei and Qin.

During the Warring States Period, King Wuling ( 340 – 295 BC ) of the state of Zhao based in what is now Hebei and Shanxi provinces pursued an expansionist policy towards the region.

During the era of feudalism in Ancient China ( Spring and Autumn and the Warring States ), the equivalent titles to Grand Marquis or Grand Duke were often granted to the nobility and governors of the individual kingdoms and principalities.

During the Warring States Period ( 403 BC – 221 BC ), Jin was partitioned, and much of its territory within Hebei went to Zhao ( 趙 ).

During the Warring States period ( 476 – 221 BCE ), three out of the seven warring states shared borders with Xiongnu territory, and a series of interconnected defensive fortresses were constructed, which joined later into the Great Wall.

During the Warring States period, Ximen Bao of Wei demonstrated to the villagers that sacrifice to river deities was actually a ploy by crooked priests to pocket money.

During the Warring States Period ( 475 BC-221 BC ) Chu became the major adversary of the upstart state of Qin to the northwest ( in what is now Shaanxi province ), which began to assert itself by outward expansionism.

During the Spring and Autumn Period and the Warring States Period, regional states became increasingly powerful.

During the early Warring States period Qin generally avoided conflicts with the other states.

During the Warring States Xunzi and Mengzi were influenced by the Great Learning.

During the Spring and Autumn Period and Warring States Period, Qin soldiers were prone to collect their enemies ' heads.

During the Warring States Period heads of commanderies were high level officials known as Jùn Shŏu ().

Some writings on cloth were excavated from the Han Dynasty tomb at Mawangdui near the city of Changsha in 1973 and edited and published in Beijing in 1976 as Zhanguo Zonghengjia Shu (, " Works from the School of Diplomacy During the Warring States Period )".

During the Warring States Period ( 1467 – 1568 ), the ongoing violent fighting between the Hatakeyama family, Uesugi family and the Maeda family tore the land part.

During the Warring States period, the capital was also moved to its lower capital at Xiadu at times, which was the largest city in terms of area at the time.

During the Warring States Period ( 475-221 BC ), Yan was one of the last states to be conquered by the armies of Qin Shihuang: Yan fell in 222 BC, immediately before the founding of the Qin dynasty ( 221-207 BC ).

During the early Warring States Period, as its neighbours in east and central China began rapidly developing, Qin was still in a state of underdevelopment and decline.

During the late Warring States Period, Chu was increasingly pressured by Qin to its west, especially after Qin enacted and preserved the legalistic reforms of Shang Yang.

During the Warring States period ( 406 – 221 BC ), people who lived along the banks of the Min River were plagued by annual flooding.

During the Spring and Autumn and Warring States Periods in the latter half of the Zhou Dynasty, the power of the feudal princes developed rapidly, and several non-Han regions became powerful states themselves.

During the next five years liberal leaders in the United States sank in the cumulative confusion attendant upon and manifested in a negative policy of Containment -- and the bitterest irony -- enforced and enforceable only by threat of a weapon that we felt the greatest distaste for but could not abandon: the atom bomb.

During World War 2,, he was a lieutenant commander in the United States Navy.

During the trip Selkirk decided that the route through Illinois territory to Indiana and the eastern United States was the best route for goods from England to reach Red River and that the United States was a better source of supply for many goods than either Canada or England.

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 World War II, Abadan was a major logistics center for Lend-Lease aircraft being sent to the Soviet Union by the United States.

During the 1950s, the National Football League had grown to rival Major League Baseball as one of the most popular professional sports leagues in the United States.

During the Vietnam War, between 1962 and 1971, the United States military sprayed nearly of material containing chemical herbicides and defoliants mixed with jet fuel in Vietnam, eastern Laos and parts of Cambodia, as part of Operation Ranch Hand.

During the Vietnam War, between 1962 and 1971, the United States military sprayed nearly of chemical herbicides and defoliants in Vietnam, eastern Laos and parts of Cambodia, as part of the aerial defoliation program known as Operation Ranch Hand.

During the Western Allied invasion of Germany in April 1945, the airfield was seized by the United States Third Army, and used by the USAAF 354th Fighter Group which flew P-47 Thunderbolts from the aerodrome ( designated ALG R-82 ) from late April until the German capitulation on 7 May 1945.

During the 2008 United States presidential election, she branded the Republican Party vice-presidential candidate Sarah Palin as " stupid " and a " disgrace to women ".

During the Civil war, soldiers from different parts of the United States played baseball together, leading to a more unified national version of the sport.

During the drafting of the Indian Constitution, laws from Ireland, the United States, Britain, and France were all synthesized to get a refined set of Indian laws, as it currently stands.

During the presidencies of Prieto and his two successors, Chile modernized through the construction of ports, railroads, and telegraph lines, some built by United States entrepreneur William Wheelwright.

During the early 20th century, comic strips were widely associated with publisher William Randolph Hearst, whose papers had the largest circulation of strips in the United States.

During that same period, the economy grew by 3 % a year, and by 1951 the United Kingdom had " the best economic performance in Europe, while output per person was increasing faster than in the United States.

During the Cold War period both the United States and the Soviet Union experimented further with the concept, deploying early cruise missiles from land, submarines and aircraft.

During and after World War II, Chiang and his American-educated wife Soong May-ling, known in the United States as " Madame Chiang ", held the support of the United States ' China Lobby, which saw in them the hope of a Christian and democratic China.

During the American Civil War, some Maritimers emigrated to the United States to volunteer for the armies of the Union or the Confederacy.

During the 1840s, Lyell traveled to the United States and Canada, and wrote two popular travel-and-geology books: Travels in North America ( 1845 ) and A Second Visit to the United States ( 1849 ).

During Prohibition in the United States ( 1920 – 1933 ), when alcoholic beverages were illegal, cocktails were still consumed illegally in establishments known as speakeasies.

During the Cold War, the main role of the CVBG in case of conflict with the Soviet Union would have been to protect Atlantic supply routes between the United States and Europe, while the role of the Soviet Navy would have been to interrupt these sea lanes, a fundamentally easier task.