Polish forces capture Moscow in 1604, sparking years of conflict
In 1604 Polish troops seized Moscow and installed a pretender, triggering a prolonged war with Russia.
Polish King Sigismund III Vasa, seeking to expand his influence, ordered troops to occupy Moscow in 1604 after diplomatic talks broke down. The soldiers installed the alleged Rurikid heir Dymitr Samozwaniec as a puppet ruler. This act ignited a Russian revolt headed by Vasili Shuisky, who eventually declared himself tsar and eliminated the pretender.
Hostilities persisted, highlighted by the decisive Polish triumph at the Battle of Klushino, after which a cease-fire was negotiated with Sigismund III. However, mistrust led Shuisky to ally with Sweden, prompting a renewed war in 1609. Polish forces eventually entered Moscow again, captured the Russian royal family, and escorted them to Warsaw, where they pledged loyalty to the Polish crown.
Why it matters
The 1604 Polish capture of Moscow marked a rare foreign occupation of the Russian capital, influencing regional power dynamics.
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