Thirty Years' War


 * Fought between Protestants and Catholics in Europe between 1618 and 1648
 * Ended by Peace of Westphalia
 * Began with (Second) Defenestration of Prague
 * "Most famous use" of bellum se ipsum alet method of pillaging
 * 27 men executed in Old Town Square after a battle of this war
 * An Elector Palatinate fled to the Netherlands during 12 Years' Truce
 * Shallow, linear formations used to defeat tercio