There is one event and one name through which is Brno generally worldwide recognized. The name is Josef Gregor Mendel, the father of genetics, and the event is the Napoleonic battle of Austerlitz also known as the Battle of the Three Emperors. The battle, regarded as the greatest victory of Napoleon Grand Army which changed the map of Europe and its history, took place in the region to the east of Brno on December 2 in 1805.