Amazing Historical Events That Occurred on March 21st

March 21st is a special day full of incredible and important moments in the history of England, the British Parliament, Africa, Puerto Rico, and World War II. It is on this day that the House of Lancaster began their reign over England, Queen Anne addressed Parliament for the first time, Henry Morton Stanley embarked on his legendary expedition to Africa, the Ponce Massacre took place in Puerto Rico, and an assassination attempt on Adolf Hitler failed as part of Operation Valkyrie. These remarkable events offer us a glimpse into some of the most significant moments in history, and it's important to remember them.