Battle of Radzymin (1920)
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The Battle of Radzymin ( pl, Bitwa pod Radzyminem) took place during the
Polish–Soviet War The Polish–Soviet War (Polish–Bolshevik War, Polish–Soviet War, Polish–Russian War 1919–1921) * russian: Советско-польская война (''Sovetsko-polskaya voyna'', Soviet-Polish War), Польский фронт (' ...
(1919–21). The battle occurred near the town of
Radzymin Radzymin is a town in Poland and is one of the distant suburbs of the city of Warsaw. It is located in the powiat of Wołomin of the Masovian Voivodeship. The town has 8,818 inhabitants (as of 2008, but the surrounding commune is heavily pop ...
, some north-east of
Warsaw Warsaw ( pl, Warszawa, ), officially the Capital City of Warsaw,, abbreviation: ''m.st. Warszawa'' is the capital and largest city of Poland. The metropolis stands on the River Vistula in east-central Poland, and its population is officia ...
, between August 13 and 16, 1920. Along with the
Battle of Ossów The Battle of Ossów took place in the fields near Wołomin on 14 August 1920. It was a part of a much larger battle on the outskirts of Warsaw during the Polish-Bolshevist War (February 1919 - March 1921). During the day Soviet units managed ...
and the Polish counteroffensive from the Wieprz River area, this engagement was a key part of what later became known as the Battle of Warsaw. It also proved to be one of the bloodiest and most intense battles of the
Polish–Soviet War The Polish–Soviet War (Polish–Bolshevik War, Polish–Soviet War, Polish–Russian War 1919–1921) * russian: Советско-польская война (''Sovetsko-polskaya voyna'', Soviet-Polish War), Польский фронт (' ...
. The first phase of the battle began on August 13 with a frontal assault by the
Red Army The Workers' and Peasants' Red Army ( Russian: Рабо́че-крестья́нская Кра́сная армия),) often shortened to the Red Army, was the army and air force of the Russian Soviet Federative Socialist Republic and, afte ...
on the
Praga Praga is a district of Warsaw, Poland. It is on the east bank of the river Vistula. First mentioned in 1432, until 1791 it formed a separate town with its own city charter. History The historical Praga was a small settlement located at ...
bridgehead. The Russian forces captured Radzymin on August 14 and breached the lines of the 1st Polish Army, which was defending Warsaw from the east. Radzymin changed hands several times in heavy combat. Foreign diplomats, with the exception of the
British British may refer to: Peoples, culture, and language * British people, nationals or natives of the United Kingdom, British Overseas Territories, and Crown Dependencies. ** Britishness, the British identity and common culture * British English, ...
and
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ambassadors, hastily left Warsaw. The plan for the battle was straightforward for both sides. The Russians wanted to break through the Polish defences to Warsaw, while the Polish aim was to defend the area long enough for a two-pronged counteroffensive from the south, led by
General A general officer is an officer of high rank in the armies, and in some nations' air forces, space forces, and marines or naval infantry. In some usages the term "general officer" refers to a rank above colonel."general, adj. and n.". OED ...
Józef Piłsudski Józef Klemens Piłsudski (; 5 December 1867 – 12 May 1935) was a Polish statesman who served as the Naczelnik państwa, Chief of State (1918–1922) and Marshal of Poland, First Marshal of Second Polish Republic, Poland (from 1920). He was ...
, and north, led by General
Władysław Sikorski Władysław Eugeniusz Sikorski (; 20 May 18814 July 1943) was a Polish military and political leader. Prior to the First World War, Sikorski established and participated in several underground organizations that promoted the cause for Polish i ...
, to outflank the attacking forces. After three days of intense fighting, the
corps Corps (; plural ''corps'' ; from French , from the Latin "body") is a term used for several different kinds of organization. A military innovation by Napoleon I, the formation was first named as such in 1805. The size of a corps varies great ...
-sized 1st Polish Army under General
Franciszek Latinik Franciszek Ksawery Latinik (17 July 1864 – 29 August 1949) was a Polish military officer, Colonel of Austro-Hungarian Army and Major General of the Polish Army. Graduate of the General Staff Academy in Vienna, from 1914 he was a commander of th ...
managed to repel a direct assault by six Red Army rifle divisions at Radzymin and Ossów. The struggle for control of Radzymin forced General
Józef Haller Józef Haller von Hallenburg (13 August 1873 – 4 June 1960) was a lieutenant general of the Polish Army, a legionary in the Polish Legions, harcmistrz (the highest Scouting instructor rank in Poland), the president of the Polish Scouti ...
, commander of the Polish Northern Front, to start the 5th Army's counterattack earlier than planned. Radzymin was recaptured on August 15, and this victory proved to be one of the turning points of the battle of Warsaw. The strategic counteroffensive was successful, pushing Soviet forces away from Radzymin and Warsaw and eventually crippling four Soviet armies.


Background

Following the failure of the Kiev Offensive, the Polish armies retreated westwards from central Belarus and Ukraine. Although the Bolshevik forces failed to surround or destroy the bulk of the
Polish Army The Land Forces () are the land forces of the Polish Armed Forces. They currently contain some 62,000 active personnel and form many components of the European Union and NATO deployments around the world. Poland's recorded military history stre ...
, most Polish units were in dire need of fresh reinforcements. The Polish command hoped to halt the advancing Russian forces in front of Warsaw, the capital of Poland. At the same time General (later
Marshal of Poland Marshal of Poland ( pl, Marszałek Polski) is the highest rank in the Polish Army. It has been granted to only six officers. At present, Marshal is equivalent to a Field Marshal or General of the Army (OF-10) in other NATO armies. History To ...
) Józef Piłsudski was to lead a flanking manoeuvre from the area of the
Wieprz The Wieprz (, ; ua, Вепр, Vepr) is a river in central-eastern Poland, a tributary of the Vistula. It is the country's ninth longest river, with a total length of 349 km and a catchment area of 10,497 km2, all within Poland. Its cour ...
River, while General Władysław Sikorski's 5th Army was to leave the
Modlin Fortress Modlin Fortress ( pl, Twierdza Modlin) is one of the largest 19th-century fortresses in Poland. It is located in the town of Nowy Dwór Mazowiecki in district Modlin on the Narew river, approximately 50 kilometers north of Warsaw. It was o ...
and head north-east, to cut off the Russian forces heading westwards, to the north of the bend of the
Vistula The Vistula (; pl, Wisła, ) is the longest river in Poland and the ninth-longest river in Europe, at in length. The drainage basin, reaching into three other nations, covers , of which is in Poland. The Vistula rises at Barania Góra in ...
and Bugonarew and on towards
Pomerania Pomerania ( pl, Pomorze; german: Pommern; Kashubian: ''Pòmòrskô''; sv, Pommern) is a historical region on the southern shore of the Baltic Sea in Central Europe, split between Poland and Germany. The western part of Pomerania belongs to ...
. However, for this plan to succeed, it was vital that Polish forces hold Warsaw.


Prelude

The defence of Warsaw was organized by the 1st Polish Army under General Franciszek Latinik and by a part of the Northern Front under General
Józef Haller Józef Haller von Hallenburg (13 August 1873 – 4 June 1960) was a lieutenant general of the Polish Army, a legionary in the Polish Legions, harcmistrz (the highest Scouting instructor rank in Poland), the president of the Polish Scouti ...
. The army consisted of four understrength infantry divisions: the
8th 8 (eight) is the natural number following 7 and preceding 9. In mathematics 8 is: * a composite number, its proper divisors being , , and . It is twice 4 or four times 2. * a power of two, being 2 (two cubed), and is the first number of t ...
,
11th 11 (eleven) is the natural number following 10 and preceding 12. It is the first repdigit. In English, it is the smallest positive integer whose name has three syllables. Name "Eleven" derives from the Old English ', which is first atteste ...
, and 15th, with the
1st Lithuanian-Belarusian Division First or 1st is the ordinal form of the number one (#1). First or 1st may also refer to: *World record, specifically the first instance of a particular achievement Arts and media Music * 1$T, American rapper, singer-songwriter, DJ, and reco ...
in reserve. In addition, it had at its disposal the battle-weary 10th Infantry Division, two Air Groups (four
escadrille A flight is a small military unit within the larger structure of an air force, naval air service, or army air corps; and is usually subservient of a larger squadron. A military aircraft flight is typically composed of four aircraft, though ...
s in total), 293 pieces of artillery and three
armoured train An armoured train is a railway train protected with armour. Armoured trains usually include railway wagons armed with artillery, machine guns and autocannons. Some also had slits used to fire small arms from the inside of the train, a facili ...
s. The city was to be surrounded by four lines of defence. The outermost ran some to the east of Warsaw: to the east of Zegrze Fortress, then along the river Rządza to Dybów and south through Helenów, Nowa Czarna and the Białe Błota
marshes A marsh is a wetland that is dominated by herbaceous rather than woody plant species.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge, UK. 497 p Marshes can often be found at ...
east of
Wołomin Wołomin is the main town of Wołomin County situated in the Masovian Voivodship. Wołomin is situated approximately east of Warsaw, the capital of Poland, near the railway to Białystok. It has approximately 36,000 inhabitants and covers an a ...
. From there it ran through
Leśniakowizna Leśniakowizna is a village in the administrative district of Gmina Wołomin, within Wołomin County, Masovian Voivodeship The Masovian Voivodeship, also known as the Mazovia Province ( pl, województwo mazowieckie ) is a voivodeship (province ...
, dense forests occupied by artillery training grounds, and then along the
Okuniew Okuniew is a village in the administrative district of Gmina Halinów, within Mińsk County, Masovian Voivodeship, in east-central Poland. It lies approximately north-west of Halinów, north-west of Mińsk Mazowiecki, and east of Warsaw ...
Wiązowna–Vistula line. The second line ran a mile closer to Warsaw, along the lines of partially preserved
First World War World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
-era trenches built by German and Russian armies in 1915, separated by a no man's land. It ran from the banks of the river Bugonarew at Fort Beniaminów, along the Struga
Zielonka Zielonka is a town in Wołomin County, Masovian Voivodeship, Poland, with 17,398 inhabitants (2013). It is located about 13 km to the north-east of the centre of Warsaw. Zielonka borders Warsaw and several other towns of the Warsaw metrop ...
Rembertów- Zakręt
Falenica Falenica is a part of Wawer, one of districts of Warsaw, located on the right bank of the Vistula, in the far southeastern corner of the city. Until 1951 it was a separate village, then it became part of Warsaw. Before the Second World War Falen ...
line. The two most prominent pivots of this line were the towns of Radzymin and Wołomin. The third line of defence ran in the immediate vicinity of the right-bank borough of Praga, while the Vistula River
bridgehead In military strategy, a bridgehead (or bridge-head) is the strategically important area of ground around the end of a bridge or other place of possible crossing over a body of water which at time of conflict is sought to be defended or taken over ...
s formed the final fourth line. The 11th Polish Infantry Division was dispatched to Radzymin on August 8 in order to prepare the city's defences for the expected arrival of Bolshevik forces. While the unit's core was formed around veterans of the 2nd Polish Rifle Division of the French-equipped and trained Blue Army, it had been recently reinforced with fresh, but raw, recruits. The Poles set up defences in front of the town, utilising some earlier German and Russian First World War trenches and digging new positions. The Polish line ran some in front of the town, from the unfinished 1909 Fort Beniaminów at the banks of the river Bugonarew through Mokre to Dybów. The following day the 6th Russian Rifle Division captured
Wyszków Wyszków (; yi, ווישקאָוו ''Vishkov'') is a town in eastern Poland with 26,500 inhabitants (2018). It is the capital of Wyszków County in Masovian Voivodeship. History The village of Wyszków was first documented in 1203. It was grant ...
some to the north-east. On August 12 the Polish 1st Lithuanian–Belarusian Division abandoned the first line of defence and withdrew through Radzymin towards Warsaw. Radzymin now found itself at the front line; by nightfall, the first Russian forces appeared in front of Ruda and Zawady, two villages manned by the Polish 48th Infantry Regiment, and Russian artillery shelled Radzymin for the first time.


Battlefield

From the north, Warsaw, which spans the Vistula, was effectively shielded by the Vistula, Bug and Narew rivers. The Red Army's lack of modern engineering equipment for the river crossings inhibited a flanking attack of Warsaw from the west, which had been Russia's historical path of attack, towards
Płock Płock (pronounced ) is a city in central Poland, on the Vistula river, in the Masovian Voivodeship. According to the data provided by GUS on 31 December 2021, there were 116,962 inhabitants in the city. Its full ceremonial name, according to th ...
,
Włocławek Włocławek (Polish pronunciation: ; german: Leslau) is a city located in central Poland along the Vistula (Wisła) River and is bordered by the Gostynin-Włocławek Landscape Park. As of December 2021, the population of the city is 106,928. Loc ...
and
Toruń )'' , image_skyline = , image_caption = , image_flag = POL Toruń flag.svg , image_shield = POL Toruń COA.svg , nickname = City of Angels, Gingerbread city, Copernicus Town , pushpin_map = Kuyavian-Pom ...
, where their forces could cross the Vistula and strike Warsaw from the west and north-west over permanent bridges there. While a ring of 19th- and early 20th-century Russian-built forts, part of the Warsaw Fortress, ran mostly along the western side of the Vistula, these fortifications lay in ruins; Russian forces began demolition in 1909 and had destroyed most by the time of their withdrawal from Warsaw in 1915, during the
First World War World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
. The most expedient approach for a large-scale assault on Warsaw was from the east. The terrain was mostly flat; numerous roads converged radially along an arc from the
Modlin Fortress Modlin Fortress ( pl, Twierdza Modlin) is one of the largest 19th-century fortresses in Poland. It is located in the town of Nowy Dwór Mazowiecki in district Modlin on the Narew river, approximately 50 kilometers north of Warsaw. It was o ...
to the north (where the Narew flows into the Vistula), to
Legionowo Legionowo is a city in Masovia ( pl, Mazowsze), east-central Poland. Location Legionowo is located to the north-east of the center of Warsaw and only to the south of Zegrze Reservoir ( or ), near the Warsaw-Gdańsk railroad and Warsaw-Suwa ...
, Radzymin, and
Mińsk Mazowiecki Mińsk Mazowiecki () "''Masovian Minsk''") is a town in eastern Poland with 40,999 inhabitants (2020). It is situated in the Masovian Voivodeship (since 1999) and is a part of the Warsaw Agglomeration. It is the capital of Mińsk County. Locate ...
directly to the east. Meanwhile, the only permanent defences in the area of Radzymin were the incomplete Fort Beniaminów and a line of First World War trenches west of Radzymin, neglected since their construction by Russians and Germans in 1915.


Opposing forces

The first and second lines of Polish defences were manned by regular forces. These included three Polish infantry divisions: the 11th (from the Bug River to
Leśniakowizna Leśniakowizna is a village in the administrative district of Gmina Wołomin, within Wołomin County, Masovian Voivodeship The Masovian Voivodeship, also known as the Mazovia Province ( pl, województwo mazowieckie ) is a voivodeship (province ...
), the 8th (Leśniakowizna to Okuniew) and the 15th (Okuniew to the Vistula River). The 1st Army also held the newly arrived 1st Lithuanian-Belarusian Division in reserve ( MarkiKobyłka), while the Northern Front's headquarters reserves consisted of the 10th Infantry Division and some smaller units. The third line was manned by units of mobilised State Police and a variety of volunteer units of low combat value. Out of those units, initially, only the 11th Division under Colonel Bolesław Jaźwiński took part in the fight. Its 48th ''Kresy Rifles'' Regiment (Colonel Łukowski) manned the Bugonarew-Mokre line, the 46th ''Kaniów Rifles'' Regiment (Colonel Krzywobłocki) manned the Mokre-Czarna perimeter, and the 47th ''Kresy Rifles'' Regiment ( Lt. Colonel Szczepan) manned the Czarna
Leśniakowizna Leśniakowizna is a village in the administrative district of Gmina Wołomin, within Wołomin County, Masovian Voivodeship The Masovian Voivodeship, also known as the Mazovia Province ( pl, województwo mazowieckie ) is a voivodeship (province ...
line. To the south of the 11th Division were positions around Wołomin manned by the 8th Infantry Division, consisting of the 36th, 21st and 33rd Infantry Regiments, as well as the 13th Infantry Regiment held in reserve, which later took part in the Battle of Ossów. The combat value of Polish units is difficult to assess as they included fresh recruits of the so-called Volunteer Army, veterans of First World War, battle-hardened soldiers who fought in earlier stages of the Polish-Bolshevik War, and civilians with virtually no combat training. Prior to the battle, the 46th Regiment received 700 reinforcements: mostly
deserter Desertion is the abandonment of a military duty or post without permission (a pass, liberty or leave) and is done with the intention of not returning. This contrasts with unauthorized absence (UA) or absence without leave (AWOL ), which ...
s from various formations, a battalion of volunteer sentry guards and march companies of
sapper A sapper, also called a pioneer or combat engineer, is a combatant or soldier who performs a variety of military engineering duties, such as breaching fortifications, demolitions, bridge-building, laying or clearing minefields, preparing ...
s. The 11th Infantry Division, nominally 9000 men strong, in practice had only 1500 soldiers in first-line units. The situation for the Polish Army was so dire that some of the soldiers sent as reinforcements had reportedly "never seen a rifle in their lives". In addition, most units to make a stand at Radzymin were exhausted after surviving a retreat from Belarus. However, the Polish side had superior intelligence and aerial superiority. The two Russian divisions assaulting Radzymin were battle-hardened Siberian divisions led by experienced front-line commanders. Both divisions were as exhausted as their opponents, whom they had chased all the way from Belarus. However, prior to the battle both divisions received reinforcements from other units, instead of fresh recruits, and were much superior in manpower to other Russian units on the Polish front. Later, in his monograph on the war, Marshal of Poland Józef Piłsudski remarked that the commanding officer of the 27th Rifle Division had achieved what was unheard of in the Polish Army despite numerous attempts: putting rear echelons and stragglers of his division into front-line service. This was indeed a problem for both armies, as the number of "bayonets and sabres", or soldiers fighting in the first line, was at all times smaller than the number of second echelon troops. On August 15 Polish intelligence reported the strength of the Russian forces as "three to four standard Russian divisions".Jędrzejewicz & Cisek, p. 112 Even post-war memoirs by General Żeligowski mention " ree Russian infantry divisions, that is 27 battalions, though admittedly understrength, against one of our own", though in fact the Russian forces only had two divisions.


Battle


August 13

Both Polish and Russian planners expected an attack on Warsaw—and Radzymin in particular—from the east. Yet the first fights started to the north-east of the Polish capital. Warsaw was to be assaulted from the east by the 16th Red Army. At the same time the 14th Red Army (under
Ieronim Uborevich Ieronim Petrovich Uborevich ( lt, Jeronimas Uborevičius; russian: Иерони́м Петро́вич Уборе́вич; – 12 June 1937) was a Soviet military commander of the Red Army during the Russian Civil War, reaching the rank of kom ...
) captured Wyszków and started a fast march westwards, towards
Toruń )'' , image_skyline = , image_caption = , image_flag = POL Toruń flag.svg , image_shield = POL Toruń COA.svg , nickname = City of Angels, Gingerbread city, Copernicus Town , pushpin_map = Kuyavian-Pom ...
. It was then to cross the lower Vistula and assault Warsaw from the north-west. However, its 21st Rifle Division remained on the south side of the Bug River and headed for Warsaw directly, under orders from Russia's Commissar of War
Leon Trotsky Lev Davidovich Bronstein. ( – 21 August 1940), better known as Leon Trotsky; uk, link= no, Лев Давидович Троцький; also transliterated ''Lyev'', ''Trotski'', ''Trotskij'', ''Trockij'' and ''Trotzky''. (), was a Russian ...
. Aided by the Russian 27th Rifle Division, it came into contact with the Polish forces at Radzymin on August 12, and prepared for an assault the following morning. The Soviet probing attack began at 07:00 hours, but the 21st Rifle Division achieved no breakthrough. After the Soviets had been repelled, the defending 11th Infantry Division received some artillery reinforcements. The artillery commanders wanted to use the church tower of Radzymin as an observation post and to move the batteries forward, closer to the front line. However, before the relocation of the artillery was complete, a new Soviet attack began at around 17:00, this time carried out by four brigades of the 21st and 27th Rifle Divisions, reinforced with 59 artillery pieces. The Russians achieved a 3:1 superiority in firepower. Deprived of artillery support, the inexperienced and overstretched 1/ 46th Infantry Regiment, defending the village of Kraszew, broke, and the Soviets gained entry to Radzymin. The Polish unit withdrew in panic, and soldiers left their arms and backpacks behind. One of the artillery officers noted that the Russians achieved complete tactical surprise: "I ordered my dinner prepared when my aide came shouting 'Lieutenant Sir, the Reds are in the city. The retreat was made even more serious by the fact that the
gendarmes Wrong info! --> A gendarmerie () is a military force with law enforcement duties among the civilian population. The term ''gendarme'' () is derived from the medieval French expression ', which translates to "men-at-arms" (literally, " ...
, tasked with stabilising the front and catching deserters, also fled in panic. The town itself was badly damaged, and the commanding officer of the 46th Regiment, Colonel Bronisław Krzywobłocki, was forced to order the retreat of the remainder of his forces south-west from the town. The rest of the division had no option but to fall back to the line of First World War trenches. During the chaotic withdrawal all the artillery sub-units got lost. By 19:00 hours the town was in Russian hands. Although the Polish division was defeated, the Russian forces did not pursue. This allowed the Poles to mount a night counterattack. A single
machine gun A machine gun is a fully automatic, rifled autoloading firearm designed for sustained direct fire with rifle cartridges. Other automatic firearms such as automatic shotguns and automatic rifles (including assault rifles and battle rifles) ar ...
battalion attacked a position behind Radzymin. While ultimately unsuccessful, the battalion forced the Russian troops to remain stationary overnight, giving the Poles badly needed time to regroup and receive reinforcements, which came in the form of a single regiment from the 1st Lithuanian-Belarusian Division. Instead of retreating to the third line of defences, the Poles remained outside the town, hoping to retake it the following day. News of the defeat at Radzymin reached Warsaw the same day, causing panic among both the government and ordinary people. The following day the battlefield was visited by, among others, Prime Minister
Wincenty Witos Wincenty Witos (; 22 January 1874 – 31 October 1945) was a Polish politician, prominent member and leader of the Polish People's Party (PSL), who served three times as the Prime Minister of Poland in the 1920s. He was a member of the Polish Peo ...
, papal nuncio Achille Ratti (the future Pope Pius XI),
Maciej Rataj Maciej Rataj (19 February 1884 – 21 June 1940) was a Polish politician and writer. Biography Born in the village of Chłopy, near Lwów (now Lviv, Ukraine), on 19 February 1884, he attended a gymnasium in Lwów and studied classical lingu ...
and General Józef Haller, the commanding officer of the Northern Front. General Haller's dispatch of 01:00 hours the same night called the Polish defeat at Radzymin "ignominious", and ordered the commanding officers of the 46th Infantry Regiment and divisional artillery to be immediately court-martialled. The commanding officer of the 46th Regiment was immediately relieved of command and replaced with Major Józef Liwacz. The gravity of the situation was well understood by the Polish Commander-in-Chief Józef Piłsudski, who remarked that all the battle plans for his counteroffensive were based on the assumption that Warsaw would hold, and suggested to General
Tadeusz Rozwadowski Count Tadeusz Jordan-Rozwadowski (19 May 1866 – 18 October 1928) was a Polish military commander, diplomat, and politician, a general of the Austro-Hungarian Army and then the Polish Army. Biography Youth Jordan-Rozwadowski was born in ...
that he reinforce the Radzymin area with any forces available, including an "en masse tank attack". Despite this suggestion, out of 49 tanks of the 1st Tank Regiment available in Warsaw at that time, only about six took part in the battle. The loss of Radzymin also forced General Władysław Sikorski's 5th Army, fighting north of the Bug River and along the Vistula, to start a counteroffensive from the Modlin Fortress earlier than planned. Rozwadowski and General
Maxime Weygand Maxime Weygand (; 21 January 1867 – 28 January 1965) was a French military commander in World War I and World War II. Born in Belgium, Weygand was raised in France and educated at the Saint-Cyr military academy in Paris. After graduating in 1 ...
, a member of the
French Military Mission to Poland The French Military Mission to Poland was an effort by France to aid the nascent Second Polish Republic after it achieved its independence in November 1918, at the end of the First World War. The aim was to provide aid during the Polish-Soviet War ...
, even suggested that Piłsudski also hasten his preparations for a counteroffensive, but he refused and decided to follow the original plans. The Russians considered the capture of Radzymin a crucial accomplishment. The Polish intelligence intercepted and decrypted a euphoric, but a completely false, report by the Revolutionary Military Committee of the 3rd Army dispatched to Moscow, informing the Russian government that "the brave units of the 3rd Army have captured the town of Radzymin on August 13th, at 23:00 hours. In pursuit of the enemy, they are not further than 15
verst A verst (russian: верста, ) is an obsolete Russian unit of length defined as 500 sazhen. This makes a verst equal to . Plurals and variants In the English language, ''verst'' is singular with the normal plural ''versts''. In Russian, the no ...
s from Praga. (...) The workers of Warsaw can already sense that their liberation is near. The revolution in Warsaw is ripe. Workers demand that the city be handed over to the Red Army without a fight, threatening to prevent armed soldiers from leaving the city or the front The White Poland is dying". The commanding officer of the Russian 3rd Army, Vladimir Lazarevich, informed Tukhachevsky that "Poland is now on fire. Only one more push is needed and the Polish fracas will be over". To counter the threat of a Russian breakthrough, General Latinik ordered General Jan Rządkowski to assault the town the following day with all available forces. To strengthen the assault, the 11th Infantry Division (under Colonel Bolesław Jaźwiński) was drawn from the reserves and dispatched to join the assault which was scheduled for 05:00 hours the following morning. However, the Polish forces were far from sufficient for the task. Rządkowski argued that he had been promised substantial reinforcements which did not arrive. The battle-hardened Siberian Brigade was at that time tied down in the Modlin Fortress, although the promised cavalry units did arrive—but without their ammunition trains.


August 14

The plans for the Polish assault had to be changed due to unexpected Russian actions. The Polish forces expected heavy opposition from at least two Russian divisions. However, in the morning the Russian 21st Division resumed its advance along the Białystok–Warsaw road towards Marki and Warsaw, while the 27th started its march towards Jabłonna. The 21st Division achieved some early successes when its 5th and 6th Rifle Brigades pushed the Poles back from the Czarna River some to the west. However, at the same time it was advancing right in front of Polish forces which were preparing to assault Radzymin. At 10:15 hours the Polish 81st and 85th Infantry Regiments from the 1st Lithuanian-Belarusian Division assaulted the left flank of the unsuspecting Russians, continued along the Warsaw–Białystok road, and broke through to the town. The attack was led by Lieutenant Colonel Kazimierz Rybicki, who had personally witnessed the defeat of the 46th Regiment the previous day, on his day off. This time spirits were high and the Polish infantry advanced in order, with officers in the first line and the soldiers singing Dąbrowski's Mazurka. By noon the town was liberated. The success did not last long, as the Russian 27th Rifle Division turned around and arrived at Radzymin just in time for its 81st Brigade to push the exhausted Polish forces back towards the village of Słupno. Threatened by further attacks from Słupno and Wieliszew, the 85th Regiment retreated after suffering heavy casualties, including the commanding officer of the 1st Battalion, Captain Ryszard Downar-Zapolski.Żeligowski, pp. 89–98, 142–143 This time the Soviet 81st Rifle Brigade (27th Rifle Division) pursued the Poles and managed to pierce Polish defences near Wólka Radzymińska and Dąbkowizna, breaking through the second line of defences, which were the last before the city limits. The Polish headquarters at Warsaw was "petrified to hear of the complete destruction of the 19th ithuanian-BelarusianDivision", a report that fortunately for the Poles proved to be false. The threat to the northern flank was halted, with heavy casualties on both sides, thanks to the intervention of the division's commanding officer Jan Rządkowski, as well as Front commanding officer Józef Haller, who arrived on the battlefield to personally organise an ad hoc line of defence west of Wólka Radzymińska, with Polish artillery units shelling the advancing Russians with direct fire. The Soviet advance was halted, and this time chaos in the Polish ranks was avoided, but again lack of reinforcements behind the main line of defences proved a serious problem. In the evening Generals Lucjan Żeligowski, Józef Haller, Jan Rządkowski and Franciszek Latinik met in Jabłonna and again in Struga to prepare a plan for retaking Radzymin once again. It was decided that, since the Soviet 27th Division was bogged down around Radzymin and had not resumed its march towards Jabłonna, the Polish 10th Infantry Division was no longer needed in that sector, and instead could be used to achieve a breakthrough at Radzymin. The division was relocated to
Nieporęt Nieporęt is a village in Legionowo County, Masovian Voivodeship in east-central Poland. It is the seat of the gmina (administrative district) called Gmina Nieporęt. It lies approximately east of Legionowo and north of Warsaw Warsaw ( ...
, where General Rządkowski discovered the artillery units that were believed to have been destroyed by the Russians the previous day. A single battalion from the 28th ''Kaniów Rifles'' Regiment from the 10th Division, led by 1st Lieutenant Stefan Pogonowski, was ordered to entrench in a forest near Wólka Radzymińska and organise an ambush. The rest of the Polish forces were to start an all-out assault at 05:00 hours the following morning, with General Żeligowski in command over the ad hoc corps. The forces amassed for the assault had a nominal strength of 17,000 infantry, 109 artillery pieces, and 220 machine guns. In the evening the 5th Army, operating north of the Bug and Narew rivers with its base of operations in the Modlin Fortress, started a limited counteroffensive with the aim of lessening the pressure on the Polish forces at Radzymin. Grossly outnumbered, the 5th Army could not break through the Russian lines, and got bogged down in intense fights along the Wkra river. However, although initially unsuccessful, the Polish attack prevented the Soviet 5th, 15th and 16th Armies from reinforcing the two divisions already committed to Radzymin. Only the 4th Red Army, the furthest from the battlefield, operating in the north along the East Prussian border and moving towards Toruń, kept advancing almost unopposed. This, however, did not pose an immediate threat to the defenders of Warsaw, as its advance was finally halted at the outskirts of
Włocławek Włocławek (Polish pronunciation: ; german: Leslau) is a city located in central Poland along the Vistula (Wisła) River and is bordered by the Gostynin-Włocławek Landscape Park. As of December 2021, the population of the city is 106,928. Loc ...
, and it was forced to start a hasty retreat eastwards.


August 15

In the early hours of August 15 the Russian forces resumed their attacks on the Polish lines, intending to break through the second line of defences to the area of Nieporęt and Jabłonna. However, as they bypassed a small forest outside Wólka Radzymińska, they were assaulted from the rear by the 1st Battalion of the 28th Infantry Regiment, which had been concealed there earlier. Simultaneously, the remainder of the 28th Regiment began a badly coordinated and half-hearted attack from Nieporęt. Both Polish assaults were bloodily repelled, with the casualties including Lieutenant Pogonowski who was posthumously awarded the
Virtuti Militari The War Order of Virtuti Militari (Latin: ''"For Military Virtue"'', pl, Order Wojenny Virtuti Militari) is Poland's highest military decoration for heroism and courage in the face of the enemy at war. It was created in 1792 by Polish King St ...
medal for his bravery leading the charge, but they did force the Russians to retreat to their initial positions. When the front-line stabilised, the Polish headquarters threw all its reserves into a counterattack. Beniaminów was reinforced with the 29th Infantry Regiment. The Polish attack began around 05:30, after a 20-minute
artillery barrage In military usage, a barrage is massed sustained artillery fire (shelling) aimed at a series of points along a line. In addition to attacking any enemy in the kill zone, a barrage intends to suppress enemy movements and deny access across tha ...
. Soon the entire 10th Infantry Division started a push along the southern bank of the Bugonarew river in order to outflank the Russian forces from the north, while the 1st Lithuanian-Belarusian Division pushed directly towards the town. Although the Russian side had superior artillery and brought several Austin-Putilov armoured cars, this time the Polish assault was supported by five
Renault FT The Renault FT (frequently referred to in post-World War I literature as the FT-17, FT17, or similar) was a French light tank that was among the most revolutionary and influential tank designs in history. The FT was the first production tank to ...
tanks and numerous aircraft. Despite suffering from mechanical failures, the tanks successfully broke through the Russian lines, and the infantry of the 85th "Wilno Rifles" Regiment from the 1st Lithuanian-Belarusian Division followed them into the town. After a short struggle the Polish forces once again controlled the town. However, as soon as it was taken, General Żeligowski decided to reorganise his division and could not support the 85th Regiment with fresh forces. Yet another successful counterattack by the Russian 61st and 62nd Infantry Brigades forced the Polish 1st Division to retreat back to its initial positions. At the same time, on the northern flank, the 10th Division was much more successful. Instead of waiting for orders from General Żeligowski, the commanding officer of the 10th Division, Lieutenant Colonel
Wiktor Thommée Wiktor Thommée (1881–1962) was a Polish military commander and a brigadier general of the Polish Army. A veteran of the Great War and the Russian Civil War, he is best known for his command over Piotrków Operational Group and the battle of t ...
, started a push along the southern bank of the Bugonarew. The 28th and 29th ''Kaniów Rifles'' Infantry Regiments managed to reach the village of Mokre, on a small hill overlooking Radzymin and the Białystok-Warsaw road, directly behind the Russian lines. The Russians tried to push the Poles back from that position, but ultimately failed. Their assault on the village of Wiktorów also ended in failure. Soon the Polish positions in Mokre were secured, and further reinforced with the remainder of the 1st Battalion, 28th Regiment. With the northern flank safely in Polish hands, General Lucjan Żeligowski ordered his Lithuanian-Belarusian Division to complete the encirclement of Radzymin. The division reached a position a few hundred metres from Radzymin by way of the village of Ciemne to the south of the town. Fearing envelopment, the Soviets abandoned the town and withdrew east. A single company from the 30th ''Kaniów Rifles'' Regiment entered Radzymin unopposed. The town was completely empty; both the civilians and the Russian soldiers had fled, and one officer remarked that "not a stray dog was left behind in the ruined city".


Aftermath: August 16 and the following days

Although the battle was over and Radzymin was secure, the Soviet forces continued to threaten the Polish northern flank. In the early hours of August 16, the Russians mounted yet another assault on Radzymin, reinforced by several armoured cars and led personally by the commanding officer of the 27th Rifle Division, Vitovt Putna. However, by this time the morale of the 27th Division was already broken, and the assault was easily thwarted by the Polish infantry and the three remaining operational FT tanks. The armoured cars withdrew as soon as the Polish tanks opened fire, and the Russian infantry followed. Other Russian forces were more successful to the north of the town, where they managed to capture the village of Mokre from the 28th Regiment. The regiment counter-charged the village, but was initially driven off. However, approximately 80 pieces of emplaced Polish artillery laid a 30-minute barrage on the village. It was the greatest concentration of artillery fire in the war up to that point, and had a tremendous effect on the morale of the Russian defenders. After the barrage ended Lieutenant Colonel Wiktor Thommée personally led his forces in a bayonet charge; the regiment re-entered Mokre at noon and the Russians fled. The entire 13th Red Army stalled because of its defeat at Radzymin. After that success the Poles slowly but steadily pushed the Soviets back beyond the first line of defences that had been overrun several days before. By the end of 16 August, the 28th and 30th Infantry Regiments manned most of the trench line along the Rządza River, near the village of Dybów. Although initially, the Russian command wanted to use the outskirts of Radzymin as a pivot for a tactical withdrawal to the Radzymin–
Brześć Brest ( be, Брэст / Берасьце, Bieraście, ; russian: Брест, ; uk, Берестя, Berestia; lt, Brasta; pl, Brześć; yi, בריסק, Brisk), formerly Brest-Litovsk (russian: Брест-Литовск, lit=Lithuanian Br ...
line, the following day the Soviet commander ordered a full retreat towards Wyszków and later Grodno. Meanwhile, Piłsudski's 4th Army outflanked the surprised Russians and went as far north as the left-wing of
Nikolai Sollogub Nikolai Vladimirovich Sollogub (russian: Николай Владимирович Соллогуб; – 7 August 1937) was a Soviet military specialist who served in World War I, the Russian Civil War, and the Polish-Soviet War, reaching the rank ...
's 16th Red Army, which at that time was constantly pressured from the front by the 10th and 15th divisions. This made existing Russian plans obsolete, and Polish forces started a pursuit that ended with the victorious Battle of the Niemen River in September. On the day of Polish victory, the Soviets issued a propaganda poster in Moscow proclaiming: "Warsaw has fallen. With it the Poland of yesterday became history. It is nothing but a legend now while the truth of today is the red reality. Long live the Soviets! Long live the invincible Red Army!"


Result and assessment

The battle was a success for the Poles at both the tactical level (the battle of Radzymin itself) and the strategic level (its role in the battle of Warsaw). After several days of constant fighting for the town of Radzymin and its immediate vicinity, the Russian attack was repelled and the Poles were able to mount a successful counteroffensive, forcing the Russian armies out of Poland and in the end destroying them completely. However, the conduct of the Polish forces and their commanders at Radzymin in the early part of the battle has been criticized by historians since the 1920s. It was noted by General Lucjan Żeligowski that the importance of the northern approach to Warsaw was poorly understood by the Polish commanders prior to the battle and that the untested and relatively weak 10th Division was chosen for the task of defending Radzymin "out of sheer incompetence". In his memoirs he also heavily criticized the commanding officers of the division, whose "military prowess and punctuality in carrying out orders was little more than irony". Other post-war authors argued that on August 13, when the first Russian forces appeared in front of Radzymin, the 1st Army had more than enough time to reinforce the weak Polish forces there. Instead, it took several days to recapture what could have been held from the start. Despite the lack of strategic flair in the Polish defence of Radzymin, it was one of the cornerstones of the overall success in the Battle of Warsaw.Gieleciński, Izdebski et al., p. 104 Although it was Piłsudski's Assault Group that defeated the Russians, the forces at Radzymin and Sikorski's 5th Army were responsible for stopping them at the gates of Warsaw. Żeligowski noted in his memoirs that "Warsaw was saved thanks to Polish successes at Mokra, Wólka Radzymińska and Radzymin".


The battle in popular culture and the media

As one of the crucial battles of the war of 1920, the battle for Radzymin has been featured in novels, memoirs and historical monographs. It was also portrayed in the 2011 film '' Battle of Warsaw 1920'', although the battle of Radzymin sequence was shot mostly in
Piotrków Trybunalski Piotrków Trybunalski (; also known by alternative names), often simplified to Piotrków, is a city in central Poland with 71,252 inhabitants (2021). It is the second-largest city situated in the Łódź Voivodeship. Previously, it was the capita ...
. Since 1998 a
re-enactment Reenactment or re-enactment may refer to: Legislation * Consolidation bill, a bill that consolidates several Acts of Parliament into a single Act in the United Kingdom * Repeal with reenactment, where a law is replaced with one more suitable Oth ...
of the battle has been held annually on August 15 in Ossów and Radzymin, organized by various re-enactment groups and a local
powiat A ''powiat'' (pronounced ; Polish plural: ''powiaty'') is the second-level unit of local government and administration in Poland, equivalent to a county, district or prefecture ( LAU-1, formerly NUTS-4) in other countries. The term "''powiat ...
administration.


Notes

* ). In the early summer of 1920 it was renamed the 19th Infantry Division, in line with other Polish units of the time. Soon after the battle, General Piłsudski reversed his decision and the division was renamed to its former name. Soon afterwards it was split into two divisions, the 1st and 2nd Lithuanian-Belarusian Divisions. * * * * * *


Citations


References

; Articles * * * ;Books * * * * * * * * * * * * * Excerpt published as: * * 2nd edition: * * * * * * * * * * * * * * * * * ; News * * *


External links

*
Renault FT-17 in the Polish service
*
Gallery of historical pictures of the battle

Gallery of stills from the 2011 film featuring the battle

1915/1922 staff map of Radzymin and its surroundings
{{DEFAULTSORT:Radzymin 1920, Battle of 1920 in Poland August 1920 events Battles involving Poland Battles involving the Soviet Union Battles of the Polish–Soviet War Conflicts in 1920 Wołomin County