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 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 World War 2,, doctors in The Netherlands and Scandinavia noted a curious fact: despite the stresses of Nazi occupation, the death rate from coronary artery disease was slowly dropping.

During the Japanese occupation, the Dayaks played a role in guerilla warfare against the occupying forces, particularly in the Kapit Division, where headhunting was temporarily revived towards the end of the war.

During the medieval period and prior to the Ottoman occupation of Debarewa in 1557, Eritrea ’ s historical name was Bahre-Negash ( Kingdom of the Sea ).

During the South African occupation of Namibia, Ethiopia was one of the country's leading proponents abroad ; Ethiopia and Liberia were the first two states to bring the question of independence for then South West Africa to the United Nations.

During the French occupation, Eindhoven suffered again with many of its houses destroyed by the invading forces.

During the War of the Polish Succession in 1734, Elbląg and Danzig ( Gdańsk ) were placed under military occupation by Russia and Saxony.

During their occupation of the town, they made such gestures as flying the tricolour over the Atheneum theatre, which they had made their headquarters, and parading uniformed in the streets.

During World War II the city experienced a year-long German occupation ( 1943 – 1944 ) and was declared an open city.

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

During their occupation of Britain the Romans built an extensive network of roads which continued to be used in later centuries and many are still followed today.

During the Italian occupation, Albania's population was subject to a policy of forced Italianization by the kingdom's Italian governors, in which the use of the Albanian language was discouraged in schools while the Italian language was promoted.

During and after the German occupation Hergé was accused of being a collaborator because of the Nazi control of the paper (), and he was briefly taken in for interrogation after the war.

During the French occupation of Algeria in the 1830s five manuscripts were discovered in Constantine, including two that contained more complete versions of the text.

During the early Iron Age Brythonic culture held sway, there being no evidence that the Roman occupation of southern Scotland extended to these islands.

During this time, Jews have experienced slavery, anarchic and theocratic self-government, conquest, occupation, and exile ; in the Diasporas, they have been in contact with and have been influenced by ancient Egyptian, Babylonian, Persian, and Hellenic cultures, as well as modern movements such as the Enlightenment ( see Haskalah ) and the rise of nationalism, which would bear fruit in the form of a Jewish state in the Levant.

During the German military occupation 1940-1945, light railways were re-established by the Germans for the purpose of supplying coastal fortifications.

" During the Nazi occupation of France, Cocteau's friend Arno Breker convinced him that Adolf Hitler was a pacifist and patron of the arts with France's best interests in mind.

During the German occupation of Denmark, Fritz Michael Hartmann worked as a civil servant and joined a resistance group ( Frit Danmark ), actively counteracting any pro-German and pro-Nazi colleagues in his department.

During the Japanese occupation of Hainan ( 1939 – 1945 ), the Li suffered heavily.

During this period, Beria supervised deportations of people identified as political enemies from Poland and the Baltic states after Soviet occupation of those regions.

During the first three years of occupation of Germany the UK and US vigorously pursued an industrial disarmament program in Germany, partly by removal of equipment but mainly through an import embargo on raw materials and deliberate economic neglect.

During British occupation, Burma was the wealthiest country in Southeast Asia.

During World War II under German occupation, militia usually called the French Resistance emerged to conduct a guerrilla war of attrition against German forces and prepare the way for the D-Day Allied Invasion of France.