November 19th: A Day of Historic Battles, Discoveries, and Diplomatic Milestones November 19th has been a day of significant historical events, from epoch-defining battles to momentous steps in space exploration and international diplomacy. Here’s a recap: 636: The Battle of al-Qādisiyyah - A decisive victory for the Rashidun Caliphate over the Sasanian Empire, altering the course of Middle Eastern history. 1493: Columbus Discovers Puerto Rico - Christopher Columbus landed on and named the islan