During the political decentralization of the late Hohenstaufen period, the population had grown from an estimated 8 million in 1200 to about 14 million in 1300, and the number of towns increased tenfold.

* During the Third Reich, the Waffen-SS named an SS Panzer division " Hohenstaufen ".

During his early career, Corelli sang in a number of rare operas in which he triumphed including performances of Spontini's Agnese di Hohenstaufen, Handel's Giulio Cesare and Hercules, Prokofiev's War and Peace, and the world premiere of Guido Guerrini's Enea.

During these battles, Hohenstaufen had suffered heavy casualties, and in late April was pulled out of the line to refit.

During the struggle between the Guelphs and Ghibellines, it was captured by Frederick II of Hohenstaufen on March 2, 1240, and provided with a line of walls.

During this period, SS-Obergruppenführer Wilhelm Bittrich, veteran commander of the Hohenstaufen, was placed in command of the corps.

During this precarious period of development the mother should continue to influence the growth of the child's conscience.

During the period from 1 July 1960 through 31 January 1961, additional research affiliations were effected with the U. S. Army Medical Research and Development Command to conduct research in procedures for quantitative electron microscopy, and for the study of biophysical and biological studies of the structure and function of ocular tissue.

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

During the period of this report, 37,470 new cases were entered into the various registries.

During this period, 7,827 teaching sets were distributed on loan.

During the period of this report, 63 panel exhibits depicting the latest developments in medical research were displayed.

During the period, the laboratory rendered centralized macropathological service to qualified requesters.

During the period from 1 July 1960 through 31 January 1961, the Medical Museum was required to move to Temporary Building `` S '' on the Mall from Chase Hall.

During the period of about 4 hours around sunset, skywave transmission conditions are building up until full nighttime conditions prevail ; ;

During the Civil War period Mr. Brown also invented the Brown & Sharpe formed tooth gear cutter, a basic invention which ultimately revolutionized the world's gear manufacturing industry by changing its basic economics.

During this period 7,484,268 members were received, yet the net membership now is only 9,910,741.

During the period of the Iberian Union ( 1580 – 1640 ), Portugal lost influence and power and made new enemies.

During the Romantic period, art came to be seen as " a special faculty of the human mind to be classified with religion and science ".< ref >

During the same period the Georgian states of Colchis and Tabal arose around the Black Sea and central Anatolia respectively.

During this same period, slave-holding border states had more free African-Americans and European immigrants than the lower South, which increased Southern fears that slavery was threatened with rapid extinction in this area.

During this period he published 18 plays and 3 novels, including the murder mystery The Red House Mystery ( 1922 ).

During this period winter sports were slowly introduced: in 1882 the first figure skating championship was held in St. Moritz, and downhill skiing became a trendy sport with English visitors early in the 20th century, as the first ski-lift was installed in 1908 above Grindelwald.

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 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 the first 11 months of 2006, the European Union remained Armenia's largest trading partner, accounting for 34. 4 percent of its $ 2. 85 billion commercial exchange during the 11-month period.

During January – February 2007, Armenia ’ s trade with Russia and other former Soviet republics was $ 205. 6 million ( double the amount from the same period the previous year ), making them the country ’ s number one trading partner.

During this period, spectator attendances dropped and media condemnation increased, but Simpson and Lawry flatly disregarded the public dissatisfaction.

During the Tokugawa period ( 1600 – 1868 ) the Ainu became increasingly involved in trade with Japanese who controlled the southern portion of the island that is now called Hokkaido.

During this period Agamemnon and his brother, Menelaus, took refuge with Tyndareus, King of Sparta.

During the Akkadian period, the Akkadian language became the lingua franca of the Middle East, and was officially used for administration, although the Sumerian language remained as a spoken and literary language.

During the 1920's the Abstractionists, the German Bauhaus group of industrial designers, and the new architects all had the dream of some well ordered utopia, or welfare state, in which their neat and logical constructions might find their proper place.

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 World War II, Bonn acquired military significance because of its strategic location on the Rhine River, which formed a natural barrier to easy penetration into the German heartland from the west.

During the Second World War, Bletchley Park was the site of the United Kingdom's main decryption establishment, the Government Code and Cypher School ( GC & CS ), where ciphers and codes of several Axis countries were decrypted, most importantly the ciphers generated by the German Enigma and Lorenz machines.

During the interwar period, aircraft and tank technologies matured and were combined with systematic application of the German tactics of infiltration and bypassing of enemy strong points.

During the Battle of France, the French, who made attempts to re-form defensive lines along rivers, were constantly frustrated when German forces arrived there first and pressed on.

During the Battle of France, the German blitzkrieg-style attack on France went through the Ardennes.

During the Battle of France in 1940, De Gaulle's 4th Armoured Division and elements of the British Expeditionary Force's 1st Army Tank Brigade both made probing attacks on the German flank, actually pushing into the rear of the advancing armoured columns at times.

During the First World War the German army used horses for logistics, 1. 4 million of them, in the 1939 – 45 war it used 2. 7 million horses.

During the German occupation of France he joined the Maquis ( FTP ), a part of the French Resistance.

During European Middle Ages, citizenship was usually associated with cities, see burgher, Grand Burgher ( German Großbürger ) and Bourgeoisie.

During the Battle of the Bulge, however, the fuses became known as the American artillery's " Christmas present " for the German army because of their effectiveness against German personnel in the open, when they frequently dispersed attacks.

During this time he also lost the potential advantage of the larger guns on his ships: they could commence firing at a longer range than the German ships.

During the 19th and early 20th century, many smaller or less developed languages saw their first encyclopedias, using French, German, and English role models.

During the First World War, German troops retreated into this territory from Kamerun because Spain was neutral during the war.

During the run-up to the German general election in 2005, which was held ahead of schedule, Stoiber created controversy through a campaign speech held in the beginning of August 2005 in the federal state of Baden-Württemberg.

During World War I, the German sabotage of the Black Tom Wharf ammunition depot damaged buildings on Ellis Island.

During and immediately following World War II Ellis Island was used to intern German merchant mariners and enemy aliens-American civilians or immigrants detained for fear of spying, sabotage, etc.

During the Siege of Paris in 1871, the North German Confederation, supported by its allies from southern Germany, formed the German Empire with the proclamation of the Prussian king Wilhelm I as German Emperor in the Hall of Mirrors at the Palace of Versailles, to the humiliation of the French, who ceased to resist only days later.

During the invasion of Poland and the Battle of France, Luftwaffe fighters — primarily the Messerschmitt Bf 109 — held air superiority, and the Luftwaffe played a major role in German victories in these campaigns.

During the 1960s and 1970s German mathematician Heinrich Heesch developed methods of using computers to search for a proof.

During these operations the Crown Prince won the reputation of a thorough soldier ; after peace was made and Saxony had entered the North German Confederation, he gained the command of the Saxon army, which had now become the XII army corps of the North German army, and in this position carried out the necessary re-organisation.