The Siege of Leningrad lasted from 8 September 1941 to 27 January 1944, a total of about 872 days.

Quick Scoop: Key Facts

  • Start date: 8 September 1941, when German forces completed the land encirclement of Leningrad during World War II.
  • End date: 27 January 1944, when Soviet forces finally broke the blockade and declared the siege over.
  • Duration: Commonly remembered as the “900 days,” historians calculate the siege as lasting 872 days.

In modern terms, when people ask “when was the siege of Leningrad,” they usually mean this full period: from early September 1941 until late January 1944, one of the longest and deadliest sieges in history.

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