German victory
84-421: [REDACTED] Army Group North [REDACTED] Northwestern Front Phase 1 Phase 2 Phase 3 Phase 4 Air war The Baltic strategic defensive operation ( Russian : Прибалтийская стратегическая оборонительная операция ) encompassed the operations of the Red Army from 22 June to 9 July 1941 conducted over the territories of the occupied Lithuania , Latvia , and Estonia in response to
168-639: A military alliance with the United Kingdom and with France , believing that Polish independence and territorial integrity would be defended with their support if it were to be threatened by Germany. On the other hand, British Prime Minister Neville Chamberlain and his Foreign Secretary , Lord Halifax , still hoped to strike a deal with Hitler regarding Danzig (and possibly the Polish Corridor). Chamberlain and his supporters believed war could be avoided and hoped Germany would agree to leave
252-536: A "last minute" order in the summer of 1939, Poland bought 160 French Morane-Saulnier M.S.406 fighters and 111 English airplanes (100 light bombers Fairey Battle , 10 Hurricanes and 1 Supermarine Spitfire ; the sale of 150 Spitfires asked by the Polish government was rejected by the Air Ministry). Despite the fact that some of the airplanes had been shipped to Poland (the first transport of purchased aircraft on
336-531: A 'Bomber Brigade', 'Pursuit Brigade' and aircraft assigned to the various ground armies. The Polish fighters were older than their German counterparts; the PZL P.11 fighter—produced in the early 1930s—had a top speed of only 365 km/h (227 mph), far less than German bombers. To compensate, the pilots relied on its maneuverability and high diving speed. The Polish Air Force's decisions to strengthen its resources came too late, mostly due to budget limitations. As
420-574: A German sabotage group which had not heard anything about a delay of the invasion made an attack on the Jablunkov Pass and Mosty railway station in Silesia . On the morning of 26 August, this group was repelled by Polish troops. The German side described all this as an incident "caused by an insane individual" (see Jabłonków incident ). On 26 August, Hitler tried to dissuade the British and
504-527: A Polish majority and had been disputed between Czechoslovakia and Poland in the aftermath of World War I. The Polish annexation of Slovak territory (several villages in the regions of Čadca , Orava and Spiš ) later served as the justification for the Slovak state to join the German invasion. By 1937, Germany began to increase its demands for Danzig, while proposing that an extraterritorial roadway, part of
588-549: A few days prior, on 26 August. Fedor von Bock , commanding general of 2nd Army, became the first commanding general of Army Group North. During the Invasion of Poland , Army Group North had two armies placed under its supervision: 3rd Army ( Georg von Küchler ) and 4th Army ( Günther von Kluge ). Additionally, it held four divisions as part of its army group reserves: 10th Panzer Division , 73rd Infantry Division , 206th Infantry Division and 208th Infantry Division . On
672-561: A great power, prove that the Poles no longer are willing to respect the German frontier." Poland participated with Germany in the partition of Czechoslovakia that followed the Munich Agreement , although they were not part of the agreement. It coerced Czechoslovakia to surrender the region of Český Těšín by issuing an ultimatum to that effect on 30 September 1938, which was accepted by Czechoslovakia on 1 October. This region had
756-517: A part of Poland after the Treaty of Versailles . Many Germans also wanted the urban port city of Danzig and its environs (comprising the Free City of Danzig) to be reincorporated into Germany. Danzig city had a German majority, and had been separated from Germany after Versailles and made into the nominally independent Free City. Hitler sought to use this as casus belli , a reason for war, reverse
840-1211: A result of the Red Army Leningrad-Novgorod strategic offensive operation . In September 1941, the Spanish Blue Division was assigned to Army Group North. Composition: October 1941 Nevsky Pyatachok Operation Nordlicht Commander in Chief 17 January 1942: GFM Georg von Küchler Composition: September 1942 December 1942 Demyansk Pocket Kholm Pocket Soviet Toropets-Kholm Operation Battle of Velikiye Luki Battle of Krasny Bor Commander in Chief 9 January 1944: Field marshal Walter Model Commander in Chief 31 March 1944: Generaloberst Georg Lindemann Commander in Chief 4 July 1944: Generaloberst Johannes Frießner Commander in Chief 23 July 1944: GFM Ferdinand Schörner March 1944 Battle of Narva , consisting of: Combat in South Estonia, 1944 Soviet Baltic Offensive Battle of Porkuni Battle of Vilnius (1944) Battle of Memel After becoming trapped in
924-540: A week before the onset of war, Hitler delivered a speech to his military commanders at the Obersalzberg : The object of the war is … physically to destroy the enemy. That is why I have prepared, for the moment only in the East, my 'Death's Head' formations with orders to kill without pity or mercy all men, women, and children of Polish descent or language. Only in this way can we obtain the living space we need. With
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#17327811380411008-711: The Courland Cauldron after 25 January 1945, the Army Group was renamed Army Group Courland . On the same day, in East Prussia, a new Army Group North was created by renaming Army Group Center. On the 2 April 1945, the army group was dissolved, and the staff formed the 12th Army headquarters. Army Group North (old Army Group Centre), was driven into an ever smaller pocket around Königsberg in East Prussia . On April 9, 1945 Königsberg finally fell to
1092-524: The Courland Pocket and was accordingly redesignated Army Group Courland . On the same day, the former Army Group Center , which was now defending the northernmost sector of the contiguous Eastern Front, was renamed Army Group North, assuming the status of the third and final iteration of the army group. The staff of Army Group North was formally assembled on 2 September 1939 from the headquarters of 2nd Army , which in turn had been activated just
1176-553: The Daugavpils –Pskov– Novgorod axis. These withdrawals , although costly in losses of personnel and materiel, avoided major encirclements experienced by the fronts to the south, and succeeded in delaying Army Group North sufficiently to allow Soviet forces time to prepare the defense of Leningrad . The operation was not a single continuous withdrawal, but was punctuated by short-lived counterattacks , counterstrokes or counteroffensives . The subordinate formations and units of
1260-725: The German–Polish Non-Aggression Pact of 1934. Earlier, Hitler's foreign policy worked to weaken ties between Poland and France and attempted to manoeuvre Poland into the Anti-Comintern Pact , forming a cooperative front against the Soviet Union . Poland would be granted territory to its northeast in Ukraine and Belarus if it agreed to wage war against the Soviet Union, but the concessions
1344-752: The Gleiwitz incident . Slovak military forces advanced alongside the Germans in northern Slovakia . As the Wehrmacht advanced, Polish forces withdrew from their forward bases of operation close to the Germany–Poland border to more established defense lines to the east. After the mid-September Polish defeat in the Battle of the Bzura , the Germans gained an undisputed advantage. Polish forces then withdrew to
1428-790: The Polish Underground State within the territory of the former Polish state. Many of the military exiles who escaped Poland joined the Polish Armed Forces in the West , an armed force loyal to the Polish government-in-exile . On 30 January 1933, the National Socialist German Workers' Party , under its leader Adolf Hitler , came to power in Germany . While some dissident elements within
1512-700: The Reichsautobahn system, be built in order to connect East Prussia with Germany proper , running through the Polish Corridor. Poland rejected this proposal, fearing that after accepting these demands, it would become increasingly subject to the will of Germany and eventually lose its independence as the Czechs had. Polish leaders also distrusted Hitler. The British were also wary of Germany's increasing strength and assertiveness threatening its balance of power strategy. On 31 March 1939, Poland formed
1596-606: The Romanian Bridgehead could be created. The Polish General Staff had not begun elaborating the "West" defence plan until 4 March 1939. It was assumed that the Polish Army, fighting in the initial phase of the war alone, would have to defend the western regions of the country. The plan of operations took into account the numerical and material superiority of the enemy and, also assumed the defensive character of Polish operations. The Polish intentions were defending
1680-654: The September Campaign , Polish Campaign , and Polish Defensive War of 1939 (1 September – 6 October 1939), was a joint attack on the Republic of Poland by Nazi Germany , the Slovak Republic , and the Soviet Union , which marked the beginning of World War II . The German invasion began on 1 September 1939, one week after the signing of the Molotov–Ribbentrop Pact between Germany and
1764-568: The Weimar Republic had long sought to annex territories belonging to Poland, it was Hitler's own idea and not a realization of any pre-1933 Weimar plans to invade and partition Poland, annex Bohemia and Austria, and create satellite or puppet states economically subordinate to Germany. As part of this long-term policy, Hitler at first pursued a policy of rapprochement with Poland, trying to improve opinion in Germany, culminating in
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#17327811380411848-475: The 1,009 cars and trucks and 4,842 horses in the average German infantry division, the average Polish infantry division had 76 cars and trucks and 6,939 horses. The Polish Air Force ( Lotnictwo Wojskowe ) was at a severe disadvantage against the German Luftwaffe due to inferiority in numbers and the obsolescence of its fighter planes. However, contrary to German propaganda, it was not destroyed on
1932-758: The 25 January 1945 Hitler renamed three army groups. Army Group North became Army Group Courland , more appropriate as it had been isolated from Army Group Centre and was trapped in Courland, Latvia; Army Group Centre became Army Group North and Army Group A became Army Group Centre. Between January and February 1945, Army Group North sustained 213,000 casualties, including 30,000 dead, 126,000 wounded, and 57,000 missing. Invasion of Poland German–Soviet–Slovak victory Baltic coast 4–10 September Northern Front Southern Front Asia-Pacific Mediterranean and Middle East Other campaigns Coups The Invasion of Poland , also known as
2016-418: The 4th Army included the Battle of Tuchola Forest , the Battle of Westerplatte , the Battle of Hel and the Battle of Gdynia . In preparation for Operation Barbarossa , Army Group North was reformed from Army Group C on 22 June 1941. Army Group North was commanded by Field Marshal Wilhelm Ritter von Leeb and staged in East Prussia . Its strategic goal was Leningrad , with operational objectives being
2100-621: The Armies were: Front subordination The Soviet forces were defeated and forced to fall back. The next operation, according to the Soviet official history, was the Leningrad strategic defensive operation (10 July-30 September 1941), which attempted to establish a stable front along the Narva–Novgorod line. Army Group North Army Group North ( German : Heeresgruppe Nord ) was
2184-570: The British merchant fleet and took part in wartime convoys . The September Campaign was devised by General Franz Halder , the chief of the general staff , and directed by General Walther von Brauchitsch the commander in chief of the German ground forces . It called for the start of hostilities before a declaration of war , and pursued a doctrine of mass encirclement and destruction of enemy forces. The infantry, far from completely mechanized but fitted with fast-moving artillery and logistic support,
2268-458: The Corridor broke down, and months passed without diplomatic interaction between Germany and Poland. During this interim period, the Germans learned that France and Britain had failed to secure an alliance with the Soviet Union against Germany, and that the Soviet Union was interested in an alliance with Germany against Poland. Hitler had already issued orders to prepare for a possible "solution of
2352-575: The French from interfering in the upcoming conflict, even pledging that the Wehrmacht forces would be made available to Britain's empire in the future. The negotiations convinced Hitler that there was little chance the Western Allies would declare war on Germany, and even if they did, because of the lack of "territorial guarantees" to Poland, they would be willing to negotiate a compromise favourable to Germany after its conquest of Poland. Meanwhile,
2436-580: The German 18th Army. The Soviet 11th Army defended the rest of the Lithuanian border with East Prussia and sought to contain the attacks of the German 16th Army and the 4th Panzer Group. While the Soviet 8th Army retreated along the Jelgava – Riga – Tartu – Narva – Pskov direction, the Soviet 11th Army sought to initially hold the Kaunas and Vilnius sector of the front, but was forced to retreat along
2520-428: The German puppet state of Slovakia meant that Poland's southern flank was also exposed. Hitler demanded that Poland be conquered in six weeks, but German planners thought that it would require three months. They intended to exploit their long border fully with the great enveloping manoeuver of Fall Weiss . German units were to invade Poland from three directions: All three assaults were to converge on Warsaw , and
2604-558: The Germans had seven Panzer divisions, with 2,009 tanks between them, using a new operational doctrine . It held that these divisions should act in coordination with other elements of the military, punching holes in the enemy line and isolating selected units, which would be encircled and destroyed. This would be followed up by less-mobile mechanized infantry and foot soldiers. The Luftwaffe (air force) provided both tactical and strategic air power , particularly dive bombers that disrupted lines of supply and communications. Together,
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2688-557: The Germans, and these units, dispersed within the infantry, were unable to effectively engage the Germans. Experiences in the Polish–Soviet War shaped Polish Army organizational and operational doctrine. Unlike the trench warfare of World War I, the Polish–Soviet War was a conflict in which the cavalry 's mobility played a decisive role. Poland acknowledged the benefits of mobility but was unable to invest heavily in many of
2772-450: The Poles were expected to make meant that their homeland would become largely dependent on Germany, functioning as little more than a client state . The Poles feared that their independence would eventually be threatened altogether; historically Hitler had already denounced the right of Poland to independence in 1930, writing that Poles and Czechs were a "rabble not worth a penny more than the inhabitants of Sudan or India. How can they demand
2856-541: The Polish Army by about 1/3. Germany had a substantial numeric advantage over Poland and had developed a significant military before the conflict. The Heer (army) had 3,472 tanks in its inventory, of which 2,859 were with the Field Army and 408 with the Replacement Army . 453 tanks were assigned into four light divisions, while another 225 tanks were in detached regiments and companies. Most notably,
2940-548: The Polish Army during the invasion of 1939 was the 7TP light tank. It was the first tank in the world to be equipped with a diesel engine and 360° Gundlach periscope . The 7TP was significantly better armed than its most common opponents, the German Panzer I and II , but only 140 tanks were produced between 1935 and the outbreak of the war. Poland had also a few relatively modern imported designs, such as 50 Renault R35 tanks and 38 Vickers E tanks. The Polish Navy
3024-785: The Polish army was effectively defeated even before the British Expeditionary Force could be transported to Europe, with the bulk of the BEF in France by the end of September. On 17 September, the Soviet Red Army invaded Eastern Poland , the territory beyond the Curzon Line that fell into the Soviet " sphere of influence " according to the secret protocol of the Molotov–Ribbentrop Pact; this rendered
3108-730: The Polish plan of defence obsolete. Facing a second front, the Polish government concluded the defence of the Romanian Bridgehead was no longer feasible and ordered an emergency evacuation of all troops to neutral Romania . On 6 October, following the Polish defeat at the Battle of Kock , German and Soviet forces gained full control over Poland. The success of the invasion marked the end of the Second Polish Republic, though Poland never formally surrendered. On 8 October, after an initial period of military administration , Germany directly annexed western Poland and
3192-563: The Polish problem by military means" through the Case White scenario. In May, in a statement to his generals while they were in the midst of planning the invasion of Poland, Hitler made it clear that the invasion would not come without resistance as it had in Czechoslovakia: With minor exceptions German national unification has been achieved. Further successes cannot be achieved without bloodshed. Poland will always be on
3276-470: The Polish-German border and lacked compact defence lines and good defence positions along disadvantageous terrain. That strategy also left supply lines poorly protected. One-third of Poland's forces were massed in or near the Polish Corridor, making them vulnerable to a double envelopment from East Prussia and the west. Another third was concentrated in the north-central part of the country, between
3360-694: The Red Army, although remnants of Army Group units continued to resist on the Heiligenbeil & Danzig beachheads until the end of the war in Europe. October 1944 November 1944 December 1944 Soviet East Prussian Offensive Battle of Königsberg Heiligenbeil pocket Commander in Chief 27 January 1945: Generaloberst Dr. Lothar Rendulic Commander in Chief 12 March 1945: Walter Weiß Composition: February 1945 Soviet East Pomeranian Offensive Battle of Kolberg Courland Pocket On
3444-567: The September Campaign, not all of those aircraft were mobilized. By 1 September, out of about 120 heavy bombers PZL.37s produced, only 36 PZL.37s were deployed, the rest being mostly in training units. All those aircraft were of indigenous Polish design, with the bombers being more modern than the fighters, according to the Ludomił Rayski air force expansion plan, which relied on a strong bomber force. The Polish Air Force consisted of
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3528-493: The Soviet Union, and one day after the Supreme Soviet of the Soviet Union had approved the pact. One of the aims of the invasion was to divide Polish territory at the end of the operation; Poland was to cease to exist as a country and all Poles ("inferior people") were to be exterminated. The Soviets invaded Poland on 17 September. The campaign ended on 6 October with Germany and the Soviet Union dividing and annexing
3612-658: The Soviets agreed to divide Eastern Europe, including Poland, into two spheres of influence ; the western one-third of the country was to go to Germany and the eastern two-thirds to the Soviet Union. The German assault was originally scheduled to begin at 4:00 a.m. on 26 August. However, on 25 August, the Polish-British Common Defence Pact was signed as an annex to the Franco-Polish alliance. In this accord, Britain committed itself to
3696-518: The armed forces time to complete its mobilization and execute a general counteroffensive with the support of the Western Allies . In case of a failure to defend most of the territory, the army was to retreat to the south-east of the country, where the rough terrain, the Stryj and Dniestr rivers, valleys, hills and swamps would provide natural lines of defence against the German advance, and
3780-420: The defence of Poland, guaranteeing to preserve Polish independence. At the same time, the British and the Poles were hinting to Berlin that they were willing to resume discussions—not at all how Hitler hoped to frame the conflict. Thus, he wavered and postponed his attack until 1 September, managing to in effect halt the entire invasion "in mid-leap". However, there was one exception: on the night of 25–26 August,
3864-523: The development of industry, especially in the armaments industry in ethnically Polish areas. Moreover, Poland had to deal with damage caused by World War I . This resulted in the need to build a defense industry from scratch. Between 1936 and 1939, Poland invested heavily in the newly created Central Industrial Region . Preparations for a defensive war with Germany were ongoing for many years, but most plans assumed fighting would not begin before 1942. To raise funds for industrial development, Poland sold much of
3948-407: The expectation that the Western Allies would honor their treaty obligations and quickly start an offensive of their own, the French and the British expected the war to develop into trench warfare, much like World War I. The Polish government was not notified of the strategy and based all of its defence plans on promises of quick relief by the Western Allies. Polish forces were stretched thinly along
4032-462: The expensive, unproven inventions since then. In spite of this, Polish cavalry brigades were used as mobile mounted infantry and had some successes against both German infantry and cavalry. An average Polish infantry division consisted of 16,492 soldiers and was equipped with 326 light and medium machine guns, 132 heavy machine guns, 92 anti-tank rifles and several dozen light, medium, heavy, anti-tank and anti-airplane field artillery. Contrary to
4116-512: The following immediate objectives: All operational objectives such as Tallinn were achieved despite stubborn Red Army resistance and several unsuccessful counter-offensives such as the Battle of Raseiniai , and the army group approached Leningrad, commencing the Siege of Leningrad . However, while the Baltic states were overrun, the Siege of Leningrad continued until 1944, when it was lifted as
4200-421: The former Free City of Danzig and placed the remaining block of territory under the administration of the newly established General Government . The Soviet Union incorporated its newly acquired areas into its constituent Byelorussian and Ukrainian republics , and immediately started a campaign of Sovietization . In the aftermath of the invasion, a collective of underground resistance organizations formed
4284-590: The ground—in fact it was successfully dispersed before the conflict started and not a single one of its combat planes was destroyed on the ground in the first days of the conflict. In the era of fast progress in aviation the Polish Air Force lacked modern fighters, vastly due to the cancellation of many advanced projects, such as the PZL.38 Wilk and a delay in the introduction of a completely new modern Polish fighter PZL.50 Jastrząb . However, its pilots were among
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#17327811380414368-486: The increased number of overflights by high-altitude reconnaissance aircraft and cross-border troop movements signaled that war was imminent. On 29 August, prompted by the British, Germany issued one last diplomatic offer, with Fall Weiss yet to be rescheduled. That evening, the German government responded in a communication that it aimed not only for the restoration of Danzig but also the Polish Corridor (which had not previously been part of Hitler's demands) in addition to
4452-580: The invasion to commence soon afterwards. On 29 August, Polish Minister of Foreign Affairs Józef Beck ordered military mobilization , but under the pressure from Great Britain and France, the mobilization was cancelled. When the final mobilization started, it added to the confusion. On 30 August, the Polish Navy sent its destroyer flotilla to Britain, executing the Peking Plan . On the same day, Marshal of Poland Edward Rydz-Śmigły announced
4536-446: The main Polish army was to be encircled and destroyed west of the Vistula . Fall Weiss was initiated on 1 September 1939 and was the first operation of Second World War in Europe . The Polish determination to deploy forces directly at the German-Polish border, prompted by the Polish-British Common Defence Pact, shaped the country's defence plan, " Plan West ". Poland's most valuable natural resources, industry and population were along
4620-469: The mobilization of Polish troops. However, he was pressured into revoking the order by the French, who apparently still hoped for a diplomatic settlement, failing to realize that the Germans were fully mobilized and concentrated at the Polish border. During the night of 31 August, the Gleiwitz incident , a false flag attack on the radio station, was staged near the border city of Gleiwitz in Upper Silesia by German units posing as Polish troops, as part of
4704-400: The modern equipment it produced. In 1936, a National Defence Fund was set up to collect funds necessary for strengthening the Polish Armed forces. The Polish Army had approximately a million soldiers, but not all were mobilized by 1 September. Latecomers sustained significant casualties when public transport became targets of the Luftwaffe . The Polish military had fewer armored forces than
4788-434: The morning of 1 September 1939, 3rd Army began its advance from East Prussia southwards towards central Poland, whereas 4th Army attacked from Pomerania into the Danzig Corridor . Important battles by the 3rd Army during the Polish campaign included the Battle of Grudziądz , the Battle of Mława , the Battle of Różan , the Battle of Łomża , the Battle of Wizna and the Battle of Brześć Litewski . Important battles of
4872-501: The name of three separate army groups of the Wehrmacht during World War II . Its rear area operations were organized by the Army Group North Rear Area . The first Army Group North was deployed during the Invasion of Poland and subsequently renamed Army Group B . The second Army Group North was created on 22 June 1941 from the former Army Group C and used in the northern sector of the Eastern Front from 1941 to January 1945. By then, this second Army Group North had gotten trapped in
4956-708: The new methods were nicknamed " Blitzkrieg " (lightning war). While historian Basil Liddell Hart claimed "Poland was a full demonstration of the Blitzkrieg theory", some other historians disagree. Aircraft played a major role in the campaign. Bombers also attacked cities, causing huge losses amongst the civilian population through terror bombing and strafing. The Luftwaffe forces consisted of 1,180 fighters , 290 Ju 87 Stuka dive bombers, 1,100 conventional bombers (mainly Heinkel He 111s and Dornier Do 17s ), and an assortment of 550 transport and 350 reconnaissance aircraft. In total, Germany had close to 4,000 aircraft, most of them modern. A force of 2,315 aircraft
5040-431: The offensive launched by the Wehrmacht in Operation Barbarossa . The operation consisted of three distinct smaller operations The principal Red Army formations of the operation were the Northwestern Front and the Baltic Fleet , with the major ground forces consisting of the 8th (commander General Major Pyotr Sobennikov ), 11th (commander Lieutenant General Vasily Morozov) and later 27th Armies. The operation
5124-486: The post-1918 territorial losses, and on many occasions had appealed to German nationalism , promising to "liberate" the German minority still in the Corridor, as well as Danzig. The invasion was referred to by Germany as the 1939 Defensive War ( Verteidigungskrieg ) since Hitler proclaimed that Poland had attacked Germany and that "Germans in Poland are persecuted with a bloody terror and are driven from their homes. The series of border violations, which are unbearable to
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#17327811380415208-428: The requested Polish representative had failed to arrive by midnight. When Polish Ambassador Lipski went to see Ribbentrop later on 31 August to indicate that Poland was favorably disposed to negotiations, he announced that he did not have the full power to sign, and Ribbentrop dismissed him. It was then broadcast that Poland had rejected Germany's offer, and negotiations with Poland came to an end. Hitler issued orders for
5292-408: The requirement for an immediate arrival of a Polish representative with full signing powers as an unacceptable ultimatum . On the night of 30/31 August, German Foreign Minister Joachim von Ribbentrop read a 16-point German proposal to ambassador Nevile Henderson . When the ambassador requested a copy of the proposals for transmission to the Polish government, Ribbentrop refused, on the grounds that
5376-451: The rest of Poland alone. German hegemony over Central Europe was also at stake. In private, Hitler said in May that Danzig was not the important issue to him, but the creation of Lebensraum for Germany. With tensions mounting, Germany turned to aggressive diplomacy. On 28 April 1939, Hitler unilaterally withdrew from both the German-Polish Non-Aggression Pact of 1934 and the Anglo-German Naval Agreement of 1935. Talks over Danzig and
5460-425: The rights of independent states?" The population of the Free City of Danzig was strongly in favour of annexation by Germany, as were many of the ethnic German inhabitants of the Polish territory that separated the German exclave of East Prussia from the rest of the Reich. The Polish Corridor constituted land long disputed by Poland and Germany, and was inhabited by a Polish majority. The Corridor had become
5544-484: The safeguarding of the German minority in Poland. It said that they were willing to commence negotiations, but indicated that a Polish representative with the power to sign an agreement had to arrive in Berlin the next day while in the meantime it would draw up a set of proposals. The British Cabinet was pleased that negotiations had been agreed to but, mindful of how Emil Hácha had been forced to sign his country away under similar circumstances just months earlier, regarded
5628-410: The ship "Lassel" sailed from Liverpool on 28 August ), none of them would take part in combat. In late 1938, the Polish Air Force also ordered 300 advanced PZL.46 Sum light bombers, but due to a delay in starting mass production, none of them were delivered before 1 September. When in the spring of 1939 it turned out that there were problems with the implementation of the new PZL.50 Jastrząb fighter, it
5712-479: The side of our adversaries... Danzig is not the objective. It is a matter of expanding our living space in the east, of making our food supply secure, and solving the problem of the Baltic states. To provide sufficient food you must have sparsely settled areas. There is therefore no question of sparing Poland, and the decision remains to attack Poland at the first opportunity. We cannot expect a repetition of Czechoslovakia. There will be fighting. On 22 August, just over
5796-401: The southeast where they prepared for a long defence of the Romanian Bridgehead and awaited expected support and relief from France and the United Kingdom . On 3 September, based on their alliance agreements with Poland, the United Kingdom and France declared war on Germany; in the end their aid to Poland was very limited . France invaded a small part of Germany in the Saar Offensive , and
5880-404: The surprise signing of the Molotov–Ribbentrop Pact on 23 August, the result of secret Nazi–Soviet talks held in Moscow , Germany neutralized the possibility of Soviet opposition to a campaign against Poland and war became imminent. In fact, the Soviets agreed not to aid France or the UK in the event of their going to war with Germany over Poland and, in a secret protocol of the pact, the Germans and
5964-495: The territories of the Baltic republics and securing the northern flank of Army Group Centre in Northern Russia between Western Dvina River and Daugavpils - Kholm Army Group boundary. On commencement of the Wehrmacht's Baltic offensive operation the army group deployed into Lithuania and northern Belorussia. It served mainly in Baltic territories and north Russia until 1944. Commander in Chief 22 June 1941: Wilhelm Ritter von Leeb . Its subordinate armies were deployed with
6048-517: The western border in Eastern Upper Silesia . Polish policy centred on their protection, especially since many politicians feared that if Poland retreated from the regions disputed by Germany, Britain and France would sign a separate peace treaty with Germany like the 1938 Munich Agreement and allow Germany to stay in those regions. The fact that none of Poland's allies had specifically guaranteed Polish borders or territorial integrity
6132-643: The western regions that were judged as indispensable for waging the war, taking advantage of the propitious conditions for counterattacks by reserve units and avoiding it from being smashed before the beginning of Franco-British operations in Western Europe. The operation plan had not been elaborated in detail and concerned only the first stage of operations. The British and the French estimated that Poland would be able to defend itself for two to three months, and Poland estimated it could do so for at least six months. While Poland drafted its estimates based upon
6216-592: The whole of Poland under the terms of the German–Soviet Frontier Treaty . The invasion is also known in Poland as the September campaign ( Polish : kampania wrześniowa ) or 1939 defensive war (Polish: wojna obronna 1939 roku ) and known in Germany as the Poland campaign ( German : Überfall auf Polen, Polenfeldzug ). German forces invaded Poland from the north, south, and west the morning after
6300-474: The wider Operation Himmler . On 31 August, Hitler ordered hostilities against Poland to start at 4:45 the next morning. However, partly because of the earlier stoppage, Poland finally managed to mobilize only about 70% of its planned forces (only about 900,000 of 1,350,000 soldiers planned to mobilize in first order), and because of that many units were still forming or moving to their designated frontline positions. The late mobilization reduced combat capability of
6384-480: The world's best trained, as proven a year later in the Battle of Britain , in which the Poles played a notable part. Overall, the Germans enjoyed numerical and qualitative aircraft superiority. Poland had only about 600 aircraft, of which only PZL.37 Łoś heavy bombers were modern and comparable to their German counterparts. The Polish Air Force had roughly 185 PZL P.11 and some 95 PZL P.7 fighters, 175 PZL.23 Karaś Bs, 35 Karaś as light bombers. However, for
6468-697: Was a small fleet of destroyers , submarines and smaller support vessels. Most Polish surface units followed Operation Peking, leaving Polish ports on 20 August and escaping by way of the North Sea to join with the British Royal Navy . Submarine forces participated in Operation Worek , with the goal of engaging and damaging German shipping in the Baltic Sea , but they had much less success. In addition, many merchant marine ships joined
6552-506: Was advocated by some generals, including Heinz Guderian , would have had the armour punching holes in the enemy's front and ranging deep into rear areas, but the campaign in Poland would be fought along more traditional lines. That stemmed from conservatism on the part of the German High Command, which mainly restricted the role of armour and mechanized forces to supporting the conventional infantry divisions. Poland's terrain
6636-474: Was another Polish concern. These reasons made the Polish government disregard French advice to deploy the bulk of its forces behind natural barriers, such as the Vistula and San Rivers, despite some Polish generals supporting the idea to be a better strategy. The West Plan allowed the Polish armies to retreat inside the country, but that was supposed to be a slow retreat behind prepared positions intended to give
6720-743: Was assigned to Weiss . Due to its earlier participation in the Spanish Civil War , the Luftwaffe was probably the most experienced, best-trained and best-equipped air force in the world in 1939. Emerging in 1918 as an independent country after 123 years of the Partitions of Poland , the Second Polish Republic , when compared with countries such as United Kingdom or Germany, was a relatively indigent and mostly agricultural country. The partitioning powers did not invest in
6804-646: Was conducted after the forces of the Baltic Special Military District were alerted in the morning of 22 June 1941 following a surprise attack by the German Wehrmacht ' s Army Group North which consisted of the 18th , 16th Field Armies and the 4th Panzer Group , and elements of the 3rd Panzer Group , supported by the Luftflotte 1 . On 22 June, the Soviet 8th Army was positioned in northern Lithuania opposed by
6888-406: Was decided to temporarily implement the production of the fighter PZL P 11.G Kobuz. Nevertheless, due to the outbreak of the war, not one of the ordered 90 aircraft of this type were delivered to the army. The tank force consisted of two armored brigades, four independent tank battalions and some 30 companies of TKS tankettes attached to infantry divisions and cavalry brigades. A standard tank of
6972-467: Was to be supported by Panzers and small numbers of truck-mounted infantry (the Schützen regiments, forerunners of the panzergrenadiers ) to assist the rapid movement of troops and concentrate on localized parts of the enemy front , eventually isolating segments of the enemy, surrounding, and destroying them. The prewar "armoured idea", which an American journalist in 1939 dubbed Blitzkrieg , which
7056-478: Was well suited for mobile operations when the weather co-operated; the country had flat plains , with long frontiers totalling almost 5,600 km (3,500 mi). Poland's long border with Germany on the west and north, facing East Prussia, extended 2,000 km (1,200 mi). It had been lengthened by another 300 km (190 mi) on the southern side in the aftermath of the 1938 Munich Agreement. The German incorporation of Bohemia and Moravia and creation of
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