What began when Bohemia revolted against the Habsburgs in 1618?
Bohemian Period Thirty Years’ War Thirty Years' war Thirty year's war Thirty years war 30-years’-War Swedish War The Emperor's War Danish period Thirty Year's war The Thirty Years War Thirty Years' War overview Thirty Years Wars Thirty Years’ war Thirty Years' War Thirty Years war 30 years war Thirty Years' War/verbose overview 30-Year War 30-Years War Danish Period Swedish War (1630–1635) 30-years'-War 30-years' War Low Saxon War Thirty Year War Thirty Years War 30 years' war Swedish Period Swedish War (1630-1635) Thirty Years'War Kejserkrigen TYW 30 Year War The 30 Years War 30 Years' War 30 Year's War Thirty years' war Thirty years War 30 Years War Thirty-Years War 30-year War Thirty Year's War Thirty-Year War 30-years War