During that war , Prussian troops overran Saxony without resistance and then invaded Austrian ( today 's Czech ) Bohemia .
King John followed a federalistic and pro-Austrian policy throughout the early 1860s until the outbreak of the Austro - Prussian War .
During that war , Prussian troops overran Saxony without resistance and then invaded pro-Austrian ( today 's Czech ) Bohemia .
King John followed a federalistic and pro-Austrian policy throughout the early 1860s until the outbreak of the Austro - Prussian War .