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BATTLE // October 31, 1991

Operation Swath-10

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Overview

Operation Swath-10 was a military offensive undertaken by the Croatian Army against the SAO Western Slavonia Territorial Defense Forces on Bilogora Mountain in western Slavonia. Occurring from 31 October to 4 November 1991, during the Croatian War of Independence, the operation was a Croatian victory and its success set the stage for follow-up advances by Croatian forces on Papuk Mountain in Operation Papuk-91 in late November and December. By the end of the year the HV gained control of Papuk, securing transport routes between eastern Slavonia and the rest of Croatia.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Significance

Operation Swath-10 was a Croatian Army offensive against the SAO Western Slavonia Territorial Defense Forces on Bilogora Mountain in western Slavonia, conducted from 31 October to 4 November 1991. The Croatian victory directly enabled follow-up operations on Papuk Mountain, culminating in Operation Papuk-91 in late November and December. By the end of 1991 the Croatian Army had secured control of Papuk, which restored transport routes linking eastern Slavonia with the rest of Croatia — a strategically significant gain at a moment when Croatian territorial control remained contested across much of the country.

Forces & casualties

Troop strength

  • Croatia2,647
    medium
  • Yugoslavia1,750
    medium

Croatia fielded a 1.5 : 1 numerical advantage

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6 sibling battles · 0 factions

Last verified June 2026
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