world history By 1800flowers 146 rome conquers greece 221 first qin emperor unifires china 356 alexander the great born Jul 19, 632 death of mohammed Jul 19, 753 rome founded Jul 19, 776 first known olympic games Jul 19, 1100 decline of mycenaean civilisation on greek mainland Jul 19, 1304 ramses the great becomes pharoh of egypt Jul 19, 1340 black death reaches europe Jul 19, 1500 world sea exploration begins Jul 19, 1789 french revolution Jul 19, 1937 augustus becomes first emperor Mar 2, 2022 christianity becomes offical religon of roan empire Mar 2, 2022 most mayan cities in decline (south america) Jul 19, 2550 great pyramid of giz built in giza