Mongol incursions in the Holy Roman Empire took place in the spring of 1241 and again in the winter of 1241–42. They were part of the first Mongol invasion of Europe.
Legendary encounter of Yaroslav and Baidar. From a 19th-century fresco.
Frederick II, known as Frederick the Quarrelsome, was Duke of Austria and Styria from 1230 until his death. He was the fifth and last Austrian duke from the House of Babenberg, since the former margraviate was elevated to a duchy by the 1156 Privilegium Minus. He was killed in the Battle of the Leitha River, leaving no male heirs.
Frederick's tomb in the Heiligenkreuz chapter hall