 The marriage took place on either 30 April or 16 October 1325, and was a purely political maneuver to strengthen the Polish–Lithuanian coalition against the Teutonic Knights (an alliance foreshadowing the Union of Krewo in 1385 and the Union of Lublin in 1569, with the latter resulting in a stable and powerful new state, the Polish–Lithuanian Commonwealth).This preliminary coalition was short-lived, collapsing in about 1330, but there is no evidence of military conflict between Poland and Lithuania while Aldona was alive.The marriage into the Lithuanian dynasty that had ruled since about 1289 might have lent legitimacy to the rule of Władysław I of the Piast dynasty, who was crowned in 1320, replacing the Přemyslid dynasty.