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 invasion by the Pagan Goth Radagaisus, Alaric remained idle in Illyria.

During his reign, Jerusalem became more closely allied with the Byzantine Empire, and the two states launched an unsuccessful invasion of Egypt.

During the first invasion, Thrace, Macedon and the Aegean Islands were added to the Persian Empire, and Eretria was duly destroyed.

During the 3rd century, under threat from a Herulian invasion, repairs were made to the Acropolis walls, and the " Beulé Gate " was constructed to restrict entrance in front of the Propylaia, thus returning the Acropolis to use as a fortress.

* 1242 – During a battle on the ice of Lake Peipus, Russian forces, led by Alexander Nevsky, rebuff an invasion attempt by the Teutonic Knights.

During Charles V's invasion of Provence in 1536, Francis I of France sent the Count of Fürstenberg's 6000 Landsknechte to ravage the area in a scorched earth policy.

During the mid 1st century AD, the Zarubintsy and Lukashevka cultures came to an end in their true form, possibly due to Sarmatian invasions and perturbations of central European trade due to Caesar's invasion of Gaul ( the ' heart ' of the La Tene culture ).

During the Cold War, he was also seen as the leader who led Free China and the bulwark against a possible Communist invasion.

During the months following the Shaba invasion, Mobutu sought solutions to the military problems that had contributed to the army's dismal performance.

During a trip to Iraq in June 2011, he said that Iraq should pay back the U. S. for all the money it had spent since the invasion, when it becomes a wealthy country.

During World War II a Japanese invasion force landed at Reo on 14 May 1942 and occupied Flores.

During the Ottoman invasion of Central Europe ( between late 14th century and circa 1700 ) Hungarian soldiers protected fortresses and launched light cavalry attacks against the Turks ( see Hungarian Hussars ).

" During this time American President Franklin D. Roosevelt also referred to the German people in this way, saying that an Allied invasion into the South of France would surely " be successful and of great assistance to Eisenhower in driving the Huns from France.

During the early morning of 22 June 1941, Adolf Hitler broke the pact by implementing Operation Barbarossa, the German invasion of Soviet held territories and the Soviet Union that began the war on the Eastern Front.

During the Mongol invasion, many natives of Afghanistan fled to India where some established dynasties in Delhi.

During the second century AD, a storehouse was constructed on the site of the Pompeion, but it was destroyed during the invasion of the Heruli in 267 AD.

During Napoleon's invasion of Prussia during the War of the Fourth Coalition, the town was besieged from mid-March to July 2, 1807, by the Grande Armée and by Polish forces drawn from insurgents against Prussian rule ( a street named for the commander leading Polish soldiers is located within the present-day city ).

During the invasion, the Greek army kills or wounds 350 Turks.

During the second Persian invasion of Greece ( 480-479 BC ) Megara fought alongside the Spartans and Athenians at crucial battles such as Salamis and Plataea.

During his invasion of the Levant, Richard I of England was forced to supply his army as it was marching through a barren desert.

During The Mongol invasion of Europe, Tatars under the leadership of Kadan, experienced a major failure in March 1242 at Klis Fortress in southern Croatia.

During this period, the Empire faced challenges in defending itself against foreign invasion and occupation.

During an invasion the Avars swept off the five sons of this warrior into Pannonia, but one, his namesake, returned to Italy and restored the ruined fortunes of his house.