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12 September 1683Reputable source · 2 sourcesWell documented

The second siege of Vienna fails, and the long retreat begins

A charge by Polish winged hussars breaks the Ottoman army outside Vienna, and the empire never threatens Central Europe again.

On the timeline · around 12 September 1683 · The High-Water Mark (1571-1730)The High-Water Mark (1571-1730)Reform and Retreat (1730-1908)The second siege of Vienna fails, and the long retreat begins1650167517001725

Quick facts

Date
12 September 1683
Ottoman commander
Grand Vizier Kara Mustafa Pasha
Relief commander
King John III Sobieski of Poland
Aftermath
Treaty of Karlowitz, 1699, first major Ottoman territorial losses

What happened

In 1683 an Ottoman army under Grand Vizier Kara Mustafa Pasha besieged Vienna for two months, forcing Emperor Leopold I to flee the city. A relief force led by Polish King John III Sobieski, combined with Habsburg and other Holy Roman troops, arrived in September. On 12 September, Sobieski's forces, including the famous winged hussar cavalry, seized high ground overlooking the Ottoman camp and launched a charge that broke the Ottoman lines before the janissaries in the siege trenches could be organized to respond. Kara Mustafa's army collapsed into a rout and retreated from Vienna in defeat.

Why it matters

The defeat began a sustained Ottoman retreat from Central Europe that the empire never reversed. Sixteen years later the Treaty of Karlowitz in 1699 formalized major territorial losses to Austria, Poland, and Venice, the first time the Ottomans had negotiated a peace as the defeated party rather than the victor, marking the definitive end of three centuries of continuous Ottoman territorial expansion.

How we know

Reed College's account, published in Reed Magazine, describes the Polish cavalry's seizure of the Kahlenberg heights and the delayed janissary response that let the charge break the siege; World History Encyclopedia's overview of Ottoman battles and conquests frames 1683 as the point after which Ottoman forces never again threatened Vienna.

Sources

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Part of a timelineThe Ottoman Empire31 events · A frontier warband on the edge of Byzantium grows into a 600-year empire spanning three continents, then dissolves into a modern republic.View all →