Siege of Smolensk (1609–1611)

Siege of Smolensk
	Part of the Polish–Russian War (1609–1618)
Date	29 September 1609 – 13 June 1611
Location	Smolensk, Russia54°47′N 32°03′E / 54.783°N 32.050°E
Result	Polish–Lithuanian victory
Belligerents
Polish–Lithuanian Commonwealth ; Zaporozhian Cossacks	Tsardom of Russia ; Sweden
Commanders and leaders
King Sigismund III Stanisław Żółkiewski ; Lew Sapieha	Mikhail Borisovich Shein
Strength
22,000 soldiers; 30 heavy guns;	12,000 soldiers; 70,000 townspeople; 500 Swedes; 170 heavy guns;
Casualties and losses
5,000	12,000

The siege of Smolensk (Polish: oblężenie Smoleńska), also known as the Smolensk Defense in Russia (Russian: Смоленская оборона), lasted 20 months between 29 September 1609 to 13 June 1611, when the Polish army besieged the Russian city of Smolensk during the Polish–Russian War of 1609–1618.