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.

During the Interregnum he was a leader of the Fifth Monarchists.

During the period in the history of the Holy Roman Empire known as the Interregnum ( 1250 – 1273 ), when there was no Emperor, the number of tolling stations exploded in the absence of imperial authority.

During the Interregnum 1649 — 1660, English theatres were kept closed by the Puritans for religious and ideological reasons.

During the Interregnum following the overthrow of Charles I of England, wreaths symbolized Royalist sympathies.

During the Portuguese Interregnum, the nobility of Chaves supported Beatrice of Portugal, as she was heir presumptive to King Ferdinand I, since the he left no male heirs.

During the English Interregnum, he served on the English Council of State under Oliver Cromwell, although he opposed Cromwell's attempt to rule without parliament during the Rule of the Major-Generals.

During the Interregnum, the Terra Plisnensis was impounded, but bought back by Rudolph I of Germany, who desired the crown of Thuringia.

During the English Interregnum of 1649-1660, a republican half crown was issued, bearing the arms of the Commonwealth of England, despite monarchist associations of the coin's name.

During the Portuguese Interregnum, the estate of Camarate, then property of the Jew David Negro, administrator of the Royal Customhouses of King Ferdinand I of León and Castile, was confiscated and delivered into the hands of Nuno Álvares Pereira, who lived there with his mother until joining the Carmelite Order.

During the Interregnum and in the first year of the Restoration there were a number of uprisings and conspiracies against the established government.

During the Interregnum, the term Anabaptist was often used to describe sects who seemed to hold or practiced believers baptism or baptism by immersion by their opponents.

During the Interregnum ( 1642 – 1660 ), all public stage performances were banned by the Puritan rulers.

During the Interregnum, Scotland was kept under the military occupation of an English army under George Monck.

During the English Interregnum it was generally believed that she was the mistress of Charles II.

During the Interregnum although some officers said that he was too sympathetic to the Levellers and the Anabaptists, he supported Oliver Cromwell during first years of the Protectorate.

During the Interregnum, Belasyse was in frequent communication with King Charles II and his supporters in Holland.

During the Portuguese Interregnum and 1383 – 1385 Crisis, the bourgeoisie and nobles of Sines were one of the municipalities that supported the Master of the Order of Aviz, the later King John I of Portugal in his battle for the throne.

During the Interregnum, Oliver Cromwell lost much of the support he had gained during the Civil War.

During the Interregnum, England had been dominated by Puritan literature and the intermittent presence of official censorship ( for example, Milton's Areopagitica and his later retraction of that statement ).

During the Interregnum, the royalist forces attached to the court of Charles I went into exile with the twenty-year-old Charles II and conducted a brisk business in intelligence and fund-raising for an eventual return to England.

During the English Interregnum the laws were annulled, but the acts which caused the laws to be in abeyance were themselves, deemed to be null and void by the Parliaments of the English Restoration, so by act of Parliament The Crown of England and ( later the British and UK crowns ) are imperial crowns.

During the Interregnum, Hertford largely kept himself away from both politics and royalist conspiracies, believing that the monarchy would be restored given time, and that conspiracies would only delay the restoration.

During the Interregnum it metamorphosed into the ( Army ) Council of Officers.

During the Civil War and Interregnum, the parish of Earnley was united with East Wittering for the purposes of officially countenanced Presbyterian worship and oversight during the official suppression of Anglicanism.