The National Monument on top of Vítkov hill in Prague's Žižkov district is one of the most important buildings related to the development of Czechoslovak/Czech statehood. It includes the third largest equestrian statue in the world, of Jan Žižka, who defeated King Sigismund in 1420 in the Battle of Vítkov Hill. The Monument also includes the Ceremonial Hall, an exhibition entitled Crossroads of Czech and Czechoslovak Statehood, the Tomb of the Unknown Soldier and other exhibition halls.