Battle of Nördlingen
Summary
Despite the significant commitment of French forces allied with the Protestants, the battle ends in a major defeat that shifts the balance in the Thirty Years' War, with the loss of support from several German princes.
Historical context
France actively supports the Protestants to weaken the Habsburgs, but this defeat temporarily slows their advance.
Tactics
Frontal assaults on fortified positions, intense infantry combat, use of heavy artillery, French and allied tactical errors.
Consequences
Withdrawal of Protestant princes from the conflict, consolidation of the Empire, but subsequent intensification of direct French involvement.