Events 756 – An Lushan Rebellion: Emperor Xuanzong flees the capital Chang’an as An Lushan’s forces advance toward the city. 1420 – Battle of Vítkov Hill, decisive victory of Czech Hussite forces commanded by Jan Žižka against Crusade army led by Sigismund, Holy Roman Emperor. 1769 – An expedition led by Gaspar de Portolá leaves… Read More
