Browse Historical Events by Day: What Happened on March 30th?

Battle of Liegnitz: Mongols defeat a Polish army under Henry II the Pious during their invasion of Poland.

King Louis IX of France dies while on the Eighth Crusade, leading to his son, Philip III, becoming king.

The Sicilian Vespers: A rebellion breaks out against the rule of Charles I of Naples in Sicily.

The St. Scholastica Day riot in Oxford leads to a confrontation between students and townspeople, resulting in numerous deaths.

King Henry IV of England grants the bishopric of Dorpat (Tartu) in Livonia to Margrave William of Meissen.

Spain cedes Gibraltar to Britain under the Treaty of Utrecht.

The Crimean War begins with Britain and France declaring war on Russia.

The United States purchases Alaska from Russia in what is known as the Alaska Purchase. More

President Ronald Reagan is shot and wounded in an assassination attempt in Washington, D.C. More