The Thirty Years' War (1618-1648) became a global conflict which subsequently involved nearly every country of Europe. The reason for the war was not only the complicated religious situation caused by the fragmentation of the Roman Church in which the Protestant- Union and Catholic League stood against each other, but also political and economic issues. Political reasons can be characterized by the expansion of the House of Hapsburgs into surrounding lands through which they attempted to gain political leadership and supremacy over Europe. The goal of the diploma thesis is not to reconstruct historical event of The Thirty Years' War, but to capture its historical narrative and its changes throughout the centuries. Starting point of the thes...