Battle of Wilno (1939)

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Battle of Wilno
Part of Invasion of Poland
Date 18–19 September 1939
Location Wilno, Second Polish Republic (now Vilnius, Lithuania)
54°40′N 25°19′E / 54.667°N 25.317°E / 54.667; 25.317Coordinates: 54°40′N 25°19′E / 54.667°N 25.317°E / 54.667; 25.317
Result Soviet victory
Belligerents
Flag of the Soviet Union (1923-1955).svg Soviet Union Flag of Poland.svg Poland
Commanders and leaders
Flag of the Soviet Union (1923-1955).svg Pyotr Akhlyustin
Flag of the Soviet Union (1923-1955).svg Semyon Zybin
Flag of Poland.svg Jarosław Okulicz-Kozaryn
Strength
Two cavalry divisions
three armoured brigades
10 infantry battalions
(6,500 men)
18-22 guns (including AA guns)
~40 MGs
Casualties and losses
Soviet counts:
13 killed
24 wounded
five BT tanks destroyed
one BA-10 armoured car destroyed
three other AFVs damaged
Unknown

The Battle of Wilno (Vilnius, Vilna) was fought during the Soviet invasion of Poland in 1939; it accompanied the larger German invasion. During 18–19 September, Soviet forces approached and occupied the city of Wilno. Polish forces in the area were relatively weak and the Polish commanders, unsure whether to actively oppose the Soviets, did not utilise the full defensive capabilities of the town and nearby fortified area, although the outcome of the battle would not have been likely any different, given the overwhelming Soviet numerical superiority.

Prelude[edit]

Wilno, capital of the Wilno Voivodship (province or region), was an important industrial centre in the north-eastern part of Poland and the sixth largest city in that country at the time. Administratively a part of the Grodno-based III Military Corps Area and under Józef Olszyna-Wilczyński, it was also an important garrison and mobilization centre. In the pre-war period, the city housed the entire Polish 1st Legions' Infantry Division, as well as the headquarters and the 4th Uhlan Regiment of the Wileńska Cavalry Brigade. Air cover was provided by the majority of the 5th Air Regiment stationed at the nearby airfield of Porubanek (modern Kirtimai). In addition, the city of Wilno was a mobilization centre for the 35th Reserve Infantry Division.

Before the outbreak of war, the 1st Division had been secretly mobilized and sent towards Różan in northern Mazovia. The Wileńska Cavalry Brigade soon followed and in the first days of September 1939 left the city for Piotrków Trybunalski. The air assets were attached to the Modlin Army and the Narew Group fighting against the German units trying to break through from East Prussia. By 7 September the 35th Division was fully mobilized and transported to Lvov (modern Lviv, Ukraine); the city was left defenceless.

The military commander of the city, Colonel Jarosław Okulicz-Kozaryn, decided that in case of attack by German or Soviet forces, he had insufficient forces for a successful defence and thus his task could only be to allow civilians to evacuate to neutral Lithuania (this was also realised, albeit not very clearly, by General Józef Olszyna-Wilczyński, commander of the 3rd military district which Wilno was also in).

On 17 September, the city had 14,000 soldiers and militia volunteers, but only 6,500 of them were armed. Before the battle, the numbers of armed soldiers rose slightly as some disorganized units trickled in, but the number of unarmed volunteers decreased, as Okulicz-Kozaryn ordered unarmed volunteers not to participate in any hostilities. Before the Soviets arrived, the Polish forces formed about 10 infantry battalions, supported by approximately 15 light artillery and anti-tank guns and about five anti-aircraft guns. The defenders also had some 40 machine guns.

On 18 September, the commander of the Belarusian Front, Comandarm (roughly a general), Mikhail Kovalyov, ordered the capture of Wilno by groups of the 3rd and 11th Armies. The 3rd Army delegated the 24th Cavalry Division and the 22nd and 25th Armoured Divisions under Combrig (senior to colonel but junior to divisional commander), Pyotr Akhlyustin, to advance from the northeast and the 11th Army delegated the 36th Cavalry Division and the 6th Armoured Division under Combrig Semyon Zybin to advance from the southeast. Their task was to secure the city by the evening of 18 September; but due to logistical difficulties and the overestimation of the Polish defences, the operation was revised with the aim of securing the city by the morning of 19 September.

The battle[edit]

On 18 September, at around 17:00, Okulicz-Kozaryn received reports of Soviet forces approaching from Oszmiana (today, Ashmyany). They consisted of armoured scouts which had engaged Polish infantry units on their approach. Okulicz-Kozaryn then ordered all units to fall back toward the Lithuanian border, Korpus Ochrony Pogranicza units, as the most experienced, were to screen the withdrawal. Podpułkownik (Lieutenant Colonel) Podwysocki was dispatched to inform the Soviets that Polish forces did not intend to defend Wilno, but he was shot at and returned to the Polish lines. As Okulicz-Kozaryn had already left the city, Podwysocki decided to defend it, even though most of the forces previously in the city had left with Okulicz-Kozaryn.

The first Soviet attack on the evening of the 18 September was repulsed by the Polish defenders. Subsequently the Soviets continued to push into Wilno. By the end of the day the Soviets had secured the airfield and made several thrusts into the city, taking the Rasos Cemetery.

By the morning of 19 September the advanced Soviet armoured units had been reinforced with infantry and cavalry. The Polish defenders delayed the Soviet advance, particularly by holding the bridges, but later that day the poorly coordinated Polish defence collapsed and the Soviets took control of the city.

Aftermath[edit]

Polish units had either surrendered, or withdrawn, disorganized, towards the Lithuanian border or deeper into Poland.

The Soviets transferred Wilno to Lithuania according to the Soviet–Lithuanian Mutual Assistance Treaty. Lithuanian troops entered the city on 27–28 October.[1]

The defence of Wilno has been criticized by some Polish historians, who point out that if properly organized, the Polish forces would have been able to hold onto Wilno and delay the Soviets by several days, similar to the defence of Grodno (in which some of the units which withdrew from Wilno took part). Nonetheless this could have only been a symbolic defence, as the Polish forces had no real way of stopping the overwhelming Soviet advance.

References[edit]

  1. ^ Žygis į Vilnių 1939 – Newsreel from 1939
  • Czesław Grzelak, Wilno-Grodno-Kodziowce 1939, Warszawa 2002.

Further reading[edit]

  • Czesław Grzelak, Wilno 1939, Warszawa 1993,
  • Lech Iwanowski, Wilnianie we wrześniu 1939 r.: prolog epopei, Bydgoszcz 2000.