The War of the Third Coalition began in 1805 as several European powers, including Austria, Russia, and Britain, formed an alliance against Napoleonic France. In light of rising tensions, Napoleon Bonaparte aimed to preemptively strike Austria to curb its military ambitions. His campaign strategically focused on moving rapidly to seize key territories and dismantle the coalition's power before it could fully unite against him. The invasion marked a pivotal moment in the broader conflict as Napoleon sought to expand French influence in Central Europe.

As French troops crossed into Austrian territory, they faced initial resistance, but the speed and coordination of Napoleon's forces overwhelmed the Austrians. Notably, Napoleon employed innovative tactics that combined speed with strategic positioning, allowing his army to outmaneuver the opposition. This offensive culminated in decisive battles, which bolstered Napoleon's reputation as a brilliant military tactician. The rapid advance also forced the Austrian leadership to reconsider their strategies in dealing with Napoleonic France.

The invasion, alongside subsequent victories, solidified French dominance in Europe and led to the Treaty of Pressburg, effectively neutralizing Austria as a military threat. Napoleon's actions during this period exemplified his ambition and shaped the future of European politics. The swift and effective campaign against Austria signified not just a military achievement but also a shift in power dynamics among the European states.