Swedes threaten Courland as Baltic proxy wars intensify
Reports detail Swedish regiments moving into Samogitia and Courland while Swedish influence alarms Prussia and Poland. Emperor and Saxon ministers contest protests as Palatinates delay replies. Measures expand to deter Swedes, with Saxon troop movements and new lines forming along the Rhine and Osburg frontier. European powers push toward a grand alliance amid religious disputes and new regiments in Hungary.