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News from a wargamer with a special interest in the military history of the Balkans. It mainly covers my current reading and wargaming projects. For more detail you can visit the web sites I edit - Balkan Military History and Glasgow & District Wargaming Society. Or follow me on Twitter @Balkan_Dave
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Friday, 7 August 2026

The Battle of Znaim 1809

 This is John Gill's detailed study of the final battle of the 1809 campaign between France and Austria. I have gamed it a couple of times, largely because it appeals to me for the key role my favourite French Marshal, Marmont, plays. It also tends to get forgotten, as many histories end the campaign at Wagram. 


The Battle of Znaim (Znojmo) was fought on 10–11 July 1809, between Napoleon Bonaparte’s French army and the Austrian army under Archduke Charles. It followed the major French victory at the Battle of Wagram (5–6 July 1809). Austria was retreating toward Bohemia, while Napoleon pursued it, albeit slowly at first. The fighting began on 10 July and continued into the next day. The Austrians made a determined defensive stand, particularly around the town and nearby crossings of the Thaya River. Neither side achieved a decisive battlefield victory. However, the Austrian position was increasingly threatened, and Archduke Charles requested an armistice. The armistice effectively ended major fighting in the War of the Fifth Coalition. It led to the Treaty of Schönbrunn in October 1809, under which Austria made substantial territorial concessions to Napoleon. These included Austrian territories in the Balkans that Marmont governed.

I tend to read more strategic studies of the Napoleonic Wars, so it was a change to read a largely tactical study of a single battle. Gill writes very well, and there are many more maps than you usually get, which enables the reader to follow the flow of the movements up to the battle itself.

Marmont and Massena led the pursuit after Wagram as their troops were fresher. Marmont commanded the Army of Dalmatia, which sounds impressive, but was actually only two weak divisions (8,322 infantry and 259 cavalry). They may have been fresh at Wagram, but they had marched a huge distance from Dalmatia, fighting several actions. Napoleon gave him the 2nd Bavarian Division (5,461 infantry and 566 cavalry), and most importantly, Montbrun's Light Cavalry Division, which had three brigades and 4,400 troopers. With this force, he crossed the river and pinned the Austrian left, giving Napoleon time to arrive. Clever limited assaults and effective use of terrain kept Charles guessing about how many men he had, forcing him to detach troops to defend a flank rather than make his planned retreat. 

The Austrians were not broken after Wagram and were generally in good order. Napoleon also needed to recover his losses, and he wasn't sure where Charles was planning to go. This led to a genuine meeting engagement, something the Austrians were never very good at, and Charles wanted to avoid. Strategically, historians often fail to recognise the importance of the Russians, who were technically allied to the French, but didn't intend to intervene. However, Charles didn't know that, as being caught between both armies would have been disastrous. Peace, even with heavy territorial losses, was better than the destruction of the Habsburg state.

This is a really interesting battle, brilliantly described by John Gill. Highly recommended.

Some of my Army of Dalmatia

Some of my Austrians, albeit for the 1812 campaign.


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