Rubuta ci gaba don wannan sakin layi - A cikin 1618 an jefa 'yan majalisa biyu na Katolika daga taga na Prague Castle (ɗaya daga cikin abin da ake kira Defenestrations na Prague), yana nuna alamar tawaye da Bohemian Estates suka yi wa Habsburgs kuma ya fara yakin shekaru talatin. Ƙasar Bohemia ta yanke shawarar tara sojoji, ta ba da umurni a kori 'yan Jesuit, kuma ta sanar da cewa za a zaɓi sarki a Bohemia. Sun zaɓi wani mai bin koyarwar Calvin, Frederick na Palatinate, ya zama sarkin Bohemia. Daga nan sai Frederick ya yi ƙoƙari ya sami ƙarin goyon baya ga al'amarin Bohemia, har ma ya yi ƙoƙari ya shawo kan Daular Ottoman don ba da tallafin soja don musayar haraji. A ranar 8 ga Nuwamba, 1620, ƙasashen Czech sun yi yaƙi da rundunar mulkin mallaka a Yaƙin White Mountain
kusa da Prague kuma an ci nasara da nasara.