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Battle of Klushino, 1610: the day Poland marched into Moscow

Polish-Muscovite War · 1610 · Polish-Lithuanian Commonwealth vs Tsardom of Russia · ~8 min read · Updated October 2026

Next anniversary: 4 July 2027, the 417th anniversary 4 July in history ›

Winged hussars charging Russian and mercenary lines at Klushino

Szymon Boguszowicz, c. 1620, via Wikimedia Commons, public domain.

At a glance

Date
4 July 1610
Location
Klushino, Smolensk region, Russia
Period
Polish-Muscovite War
Outcome
Decisive Commonwealth victory
By the numbers
SideStrengthLosses
Polish-Lithuanian Commonwealth~6,700~180-300 killed and wounded
Tsardom of Russia~15,000-30,000, plus 5,000-7,000 foreign mercenaries~2,000-15,000 (estimates vary)

Russian strength is uncertain. The high end is J. Rickard's 30,000 Russians, plus 5,000 to 7,000 foreign mercenaries; Robert Szcześniak, as cited by Przemysław Gawron of the Wilanów Palace Museum, also counts 30,000 Muscovite soldiers. Gawron gives the low end, Radosław Sikora's estimate of about 15,000 Russian soldiers, and notes that Sikora put Żółkiewski's own force at only 2,700 to 4,000. Gawron puts Polish losses at 180 to 300 killed and wounded in the various lists, and Russian losses anywhere from 2,000 to 15,000.1

Balance of forces

Polish-Lithuanian Commonwealth~6,700
Tsardom of Russia~15,000-30,000 + mercenaries

Russian strength uncertain; includes foreign mercenaries.

Quick answer

Who won the Battle of Klushino?

The Polish-Lithuanian Commonwealth won a stunning victory at Klushino in 1610, when a small army under hetman Stanisław Żółkiewski, spearheaded by the winged hussars, beat a far larger Russian and mercenary force. The win opened the road to Moscow and briefly put a Polish prince on the path to the Russian throne.

On 4 July 1610 a small Polish-Lithuanian army, most of it cavalry, attacked a Russian and mercenary army several times its size at Klushino, deep in Russia's Time of Troubles. Within hours the mercenaries were bargaining for terms, the Russian host had fallen apart, and Moscow itself lay within reach.2

Russia's Time of Troubles

Russia was in chaos, its throne contested amid famine, pretenders and civil war, the period known as the Time of Troubles. The Polish king Sigismund III intervened, besieging Smolensk. A large Russian army, stiffened by foreign mercenaries hired with Swedish help, marched to relieve the siege. To intercept it, the hetman Żółkiewski advanced with a far smaller force built around his cavalry.3

Dark locator map with a gold star in a glowing circle marking the approximate site of Battle of Klushino, the coasts, rivers and lakes of the region, and a small world map inset with the area boxed
Battle of Klushino: the star marks the approximate site, and the inset shows the area on a world map. Drawn for this article from Natural Earth data, with no modern borders. Location map: © Echoes of Battle (data: Natural Earth, public domain)

Outnumbered at Klushino

At Klushino the odds were heavily against the Poles, perhaps several to one, and much of their infantry and artillery had not arrived. What Żółkiewski had was the husaria, the winged hussars, the Commonwealth's elite heavy cavalry. He chose to attack at once, before the enemy could deploy their advantage in numbers and guns.4

The numbers show how long the odds were. J. Rickard counts Żółkiewski's army as 5,556 hussars, 679 Cossack horse, 290 Lithuanian horse, only 200 infantry and two small field guns. Against them stood about 30,000 Russians under Dmitry Shuisky and a foreign contingent under Jacob De la Gardie. Estimates for the mercenaries run from about 5,000 to 7,000, a mixed force that included French, Flemish, English, Scottish, Irish, German, Swedish and Finnish soldiers.5

Black and white engraving showing a bird's-eye plan of massed troop formations, tents and woods
A 17th-century copperplate engraving of the Battle of Klushino, drawn as a bird's-eye plan of the Polish-Lithuanian and Russian armies, their formations and camps. Public domain. 17th-century copperplate engraving, via Wikimedia Commons.
The winged hussars broke an army many times their size, and briefly won the Kremlin.

The hussars charge

The Poles arrived after a hard overnight march through the woods. Żółkiewski meant to take the camp by surprise, but his advance was held up before the blow could land. The ground was against them. Fences linking two villages ran across the field, and the hussars could charge only through narrow gaps in them. The mercenary horse answered with the caracole, riding up to fire pistols and wheeling away. Against lance and saber it failed, and the reiters were swept off. Gawron puts the struggle with the mercenaries alone at about three to four hours.6

The hussars charged again and again into the Russian and mercenary lines, some companies charging eight or ten times over several hours, according to the hussar Samuel Maskiewicz. The foreign mercenaries, unpaid and unwilling, wavered and then defected or fled, and the Russian army disintegrated. Żółkiewski's outnumbered force had shattered a host many times its size, one of the great feats of the winged hussars.7

The deal that ended the battle

The end came by negotiation as much as by the lance. With their cavalry gone and the two Polish guns brought up, the foreign infantry talked terms with Żółkiewski. According to Przemysław Gawron of the Wilanów Palace Museum, he offered them service under the king at their existing pay, or free passage home for those who would not take it. On 27 July 1610 Tsar Vasili IV was overthrown in Moscow.8

A Pole toward the Kremlin

The victory was decisive. Moscow's boyars, their field army destroyed, agreed to accept the Polish prince Władysław as tsar, and a Polish garrison entered the Kremlin. But King Sigismund's ambitions and religious demands wrecked the deal; the occupation soured, a Russian uprising drove the garrison out in 1612, and the chance slipped away.9

History painting of a crowded royal hall where a captive tsar bows before the Polish king and senators
The Shuysky Tsars at the Warsaw Sejm by Jan Matejko, 1892. In October 1611 Hetman Żółkiewski presents the captive former tsar Vasili IV Shuysky and his brothers to King Sigismund III. Public domain

Klushino today: the battlefield and Gagarin's village

Klushino is still a village. It lies in Smolensk Oblast, near the town of Gzhatsk. In Russia it is famous for a reason that has nothing to do with 1610. Yuri Gagarin, the first man in space, was born there on 9 March 1934. Gzhatsk itself now bears his name: it is the town of Gagarin. A replica of the Gagarin family house was built in the village in 1971 and is now a museum.10

So the name carries two very different memories. For Russians, Klushino is the cradle of the space age. For Poles, Kłuszyn is the high point of the hussars, ranked with Kircholm and Vienna among the greatest battles of the winged hussars. Few villages hold a cavalry victory and a cosmonaut's birth in the same fields.

Test yourself on Klushino and its neighbors in the Polish battles quiz, or find the field in Where Was It Fought?

Frequently asked questions

When and where was the Battle of Klushino?

It was fought on 4 July 1610 at Klushino (Kłuszyn), in the Smolensk region of Russia on the road from Moscow, during the Polish-Muscovite War amid Russia's Time of Troubles.11

Who commanded the Polish-Lithuanian army?

The Polish-Lithuanian forces were led by the hetman Stanisław Żółkiewski, with the winged hussars as the core of his army.

How were the Poles so outnumbered and still won?

Żółkiewski's cavalry attacked before the larger Russian-mercenary army could fully deploy, and repeated hussar charges broke their cohesion. The foreign mercenaries, unpaid, defected or fled, and the Russian army collapsed.

Did Poland really occupy Moscow?

Yes. After Klushino the boyars, by agreement, let a Polish garrison into the Moscow Kremlin, and they offered the throne to the Polish prince Władysław.

Why did Poland lose control of Moscow?

King Sigismund III's own ambitions and demands, including over religion, undermined the agreement. The occupation grew hated, and a Russian national uprising expelled the Polish garrison in 1612.

Where is Klushino?

Klushino is a village in Smolensk Oblast, Russia, west of Moscow, near the town of Gzhatsk, now called Gagarin. It is also the birthplace of the cosmonaut Yuri Gagarin.12

Who were the foreign mercenaries at Klushino?

They were about 5,000 to 7,000 soldiers hired with Swedish help and led by Jacob De la Gardie: French, Flemish, English, Scottish, Irish, German, Swedish and Finnish troops. After their cavalry was beaten, the infantry surrendered to Żółkiewski, who, according to the Wilanów Palace Museum, offered them service under the king or free passage home.

How many hussars fought at Klushino?

According to J. Rickard's count, 5,556 of the roughly 6,700 men in Żółkiewski's army were hussars, with only 200 infantry and two small field guns.

Notes

A number in the text points to a note; each note names the works that paragraph draws on, listed in full under Sources.

  1. HistoryOfWar.org, “Battle of Klushino, 4 July 1610”; Museum of King Jan III's Palace at Wilanów, “Bitwa pod Kłuszynem 1610 r.”. ↩
  2. Encyclopaedia Britannica, “Battle of Klushino”; HistoryOfWar.org, “Battle of Klushino, 4 July 1610”. ↩
  3. Chester S. L. Dunning, Russia's First Civil War; HistoryOfWar.org, “Battle of Klushino, 4 July 1610”. ↩
  4. Robert Szcześniak, Kłuszyn 1610. ↩
  5. HistoryOfWar.org, “Battle of Klushino, 4 July 1610”; Museum of King Jan III's Palace at Wilanów, “Bitwa pod Kłuszynem 1610 r.”. ↩
  6. HistoryOfWar.org, “Battle of Klushino, 4 July 1610”; Museum of King Jan III's Palace at Wilanów, “Bitwa pod Kłuszynem 1610 r.”. ↩
  7. Museum of King Jan III's Palace at Wilanów, “Bitwa pod Kłuszynem 1610 r.”; Chester S. L. Dunning, Russia's First Civil War. ↩
  8. HistoryOfWar.org, “Battle of Klushino, 4 July 1610”; Museum of King Jan III's Palace at Wilanów, “Bitwa pod Kłuszynem 1610 r.”. ↩
  9. Muzeum Historii Polski, “Stanisław Żółkiewski”; Robert Szcześniak, Kłuszyn 1610; Stanisław Żółkiewski, Początek i progres wojny moskiewskiej; Chester S. L. Dunning, Russia's First Civil War. ↩
  10. European Space Agency, “Yuri Gagarin”; Rossiyskaya Gazeta, “Юрий Гагарин”; Museums of Russia, “Y.A. Gagarin Joint Memorial Museum”. ↩
  11. HistoryOfWar.org, “Battle of Klushino, 4 July 1610”. ↩
  12. European Space Agency, “Yuri Gagarin”. ↩

Sources

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