The poor standing of Leopold the 2nd is most probably attributed to the role he had in the extermination of huge amounts of people in Belgian colonies at the time. This wasn't known at the time, but today we known that Leopold the 2nd had ordered a genocide over the Congonese people.
Conquering the mighty Persian empire and others and thus creating one of the largest empires ever. He was King of all Greek nations, Shah of Persia, Pharaoh of Egypt and ruler of many more lands.
The Hagia Sophia was originally a church, but once conquered, Byzantium was ruled by Islam. The Hagia Sophia reflects the history of Constantinople, starting out as Christian and then once conquered, becoming Muslim. Today, much of the Hagia Sophia represents Islam with copious amounts of Arabic writing on the walls, and several Minarets surrounding it. The Hagia Sophia is one of the most beautiful buildings in the world
European appeasement of German aggression in an effort to avoid conflict is the answer
it is a leap year I think