Austro-Polish War
The Austro-Polish War or Polish-Austrian War was a part of the War of the Fifth Coalition in 1809 (a coalition of the Austrian Empire and the United Kingdom against Napoleon's French Empire and Bavaria). In this war, Polish forces of the Napoleon-allied Duchy of Warsaw and assisted by forces of the Kingdom of Saxony, fought against the Austrian Empire. By May, the Russian Empire joined against Austria. Polish troops withstood the Austrian attack on Warsaw defeating them at Raszyn, then abandoned Warsaw in order to reconquer parts of pre-partition Poland including Kraków and Lwów, forcing the Austrians to abandon Warsaw in futile pursuit.