The Siege of Pilsen, 19 September to 21 November 1618, was the first significant action of the Thirty Years' War. Following the Bohemian Revolt, a Bohemian army under Ernst von Mansfeld captured Plzeň.

The Battle of Sablat or Záblatí occurred on 10 June 1619, during the Bohemian period of the Thirty Years' War. The battle was fought between a Roman Catholic Imperial army led by Charles Bonaventure de Longueval, Count of Bucquoy and the Protestant army of Ernst von Mansfeld.

The Battle of Wisternitz or Dolní Věstonice was fought on 5 August 1619 between a Moravian force of the Bohemian Confederation under Friedrich von Tiefenbach (Teuffenbach) and a Habsburg army under Henri de Dampierre. The battle was a Moravian victory. The battle is part of the Thirty Years' War.

The Battle of Humenné took place on 22–23 November 1619 near Humenné during the first period of the Thirty Years' War between the Transylvanian army and the joined loyalist Hungarian and Polish forces of Lisowczycy. It was the only battle of that war to involve the Polish–Lithuanian Commonwealth.

The Battle of Lomnice or Lomnice nad Lužnicí occurred on 9 November 1618, during the Bohemian period of the Thirty Years' War. It was fought between the Habsburg Roman Catholic army of Charles Bonaventure de Longueval, Count of Bucquoy, and the Protestant army of Jindřich Matyáš Thurn.