Aspern – Essling
May 21st – 22nd, 1809
In 1809, after capturing Vienna during the War of the Fifth Coalition, Napoleon sought to cross the Danube and force the Austrian army into a decisive engagement. Using pontoon bridges from Lobau island, the French established a bridgehead near the villages of Aspern and Essling. Archduke Charles, commanding a superior Austrian force, moved swiftly to attack the French position before Napoleon could bring his full army across.
On May 21, Austrian troops launched assaults on both villages, sparking heavy fighting that lasted throughout the day. Aspern changed hands repeatedly, while Essling became a focal point of the French defense. By evening, Napoleon had reinforced his lines but remained constrained by the fragile bridges, which broke under the river’s strong current and enemy fire.
The following day, Austrian attacks intensified. At Aspern, Charles committed fresh troops, eventually driving the French from most of the village. In Essling, defenders fought desperately around the granary, holding off superior numbers. Napoleon attempted counterattacks, but the broken bridges denied him reinforcements. By nightfall, he ordered a retreat to Lobau. The French lost around 20,000 men, including Marshal Lannes, while Austrian casualties were comparable. The outcome marked Napoleon’s first major defeat and greatly lifted Austrian morale.
Belligerants
France
Command 5
Leaders 3
Initiative


