Mezue ahịrịokwu na-esonụ: Mgbe Eze Sweden bụ Gustavus Adolphus nke Sweden meriri ndị agha Imperial nke Tilly duziri na Agha Breitenfeld (1631), ndị agha ya megheere ndị niile nọ na Ndịda Germany. N'oge Krismas nke afọ 1632, ọchịagha ndị Sweden bụ́ Gustav Horn pụtara n'ọnụ ụzọ ámá Freiburg. Freiburg chịliri aka elu na 30 Disemba 1632. Mgbe ndị Spen, bụ́ ndị Duke nke Feria duziri, rutere n'obodo ahụ n'afọ 1633, ndị Sweden hapụrụ obodo ahụ ma weghachi ya mgbe otu afọ gasịrị. Mgbe mmeri nke ndị Spen na nke ndị eze ukwu na
Agha nke Nördlingen na 1634 n'elu ndị agha Protestant nke General Horn na Wettin Duke Bernard nke Saxe-Weimar duziri, ndị Sweden mechara hapụ ndịda Germany ma si otú a hapụ Freiburg.