May 26

A devastating earthquake strikes Kamakura, Japan, killing an estimated 23,000 people.

A massive earthquake struck the city of Kamakura, Japan, then the de facto political and military center of the country under the ruling Kamakura shogunate, killing an estimated 23,000 people and causing widespread structural destruction throughout the densely populated coastal city.

Religious reformer John Calvin is expelled from Geneva amid political and theological disputes, beginning a three-year exile in Strasbourg.

Religious reformer John Calvin was expelled from Geneva along with fellow minister Guillaume Farel following bitter disputes with the city council over church discipline, communion practices, and doctrinal authority, beginning a three-year exile in Strasbourg before city leaders later reconsidered and invited him back to lead Geneva's ongoing Reformation.

Napoleon Bonaparte is crowned King of Italy with the Iron Crown of Lombardy in Milan Cathedral.

Napoleon Bonaparte was crowned King of Italy in a grand ceremony at Milan Cathedral using the historic Iron Crown of Lombardy, reportedly placing the crown on his own head while declaring "God gave it to me, woe to whoever touches it," formally extending his direct personal rule over northern Italian territories.

Nicholas II is crowned the last Tsar of Imperial Russia.

Nicholas II was crowned the last Tsar of Imperial Russia in an elaborate, lavish ceremony in Moscow's Assumption Cathedral, beginning a reign that would end in revolution, abdication, and his family's brutal execution by Bolshevik forces just over two decades later.

Charles Dow publishes the first edition of the Dow Jones Industrial Average, a foundational U.S. stock market index.

Financial journalist Charles Dow published the first edition of the Dow Jones Industrial Average in The Wall Street Journal, an index initially tracking just twelve major American industrial companies that grew over subsequent decades into one of the world's most closely watched and widely cited stock market benchmarks.

The final Ford Model T rolls off the assembly line after the production of more than 15 million vehicles.

The final Ford Model T rolled off the assembly line in Highland Park, Michigan, after nearly two decades of continuous production totaling more than 15 million vehicles worldwide, a manufacturing and mass-production achievement that had helped make personal automobile ownership accessible and affordable to millions of ordinary American families.

Allied forces begin the massive evacuation of troops from Dunkirk, France, as German forces close in.

Allied forces began Operation Dynamo, the massive, improvised evacuation of hundreds of thousands of trapped British and French troops from the beaches and harbor of Dunkirk, France, using a hastily assembled fleet of naval vessels and civilian "little ships" as German forces closed in during the disastrous early phase of the Battle of France.

The Beatles release "Sgt. Pepper's Lonely Hearts Club Band," widely regarded as one of the most influential albums in popular music history.

The Beatles released "Sgt. Pepper's Lonely Hearts Club Band," a groundbreaking, elaborately produced concept album featuring innovative studio techniques and a striking cover design, widely credited by critics with elevating popular music's artistic ambitions and profoundly influencing the subsequent creative direction of rock music for decades afterward.

The United States and Soviet Union sign the Anti-Ballistic Missile Treaty, a landmark Cold War arms control agreement.

The United States and Soviet Union signed the Anti-Ballistic Missile Treaty during a Moscow summit between Presidents Nixon and Brezhnev, a landmark Cold War arms control agreement severely limiting missile defense systems in an effort to preserve mutual strategic nuclear deterrence and reduce incentives for a destabilizing arms race.

Protests over the killing of George Floyd erupt in Minneapolis and rapidly spread nationwide and around the world.

Protests erupted in Minneapolis following the killing of George Floyd, a Black man, by a white police officer who knelt on his neck during an arrest the previous day, rapidly spreading into a massive nationwide and eventually international movement demanding police reform, accountability, and broader racial justice.