In History, Today on April 11

The Battle of Mohi took place, where the Mongol Empire, led by Batu Khan and Subutai, defeated the Kingdom of Hungary. This battle was part of the Mongol invasion of Europe.

The forces of the Holy League, led by Pope Julius II, captured the city of Ravenna during the War of the League of Cambrai.

William III and Mary II were crowned as joint sovereigns of England, Scotland, and Ireland, marking the beginning of their reign.

The Treaty of Utrecht was signed, ending the War of the Spanish Succession. This treaty helped to establish the balance of power in Europe and marked the rise of the British Empire.

Napoleon Bonaparte abdicated as Emperor of the French and was exiled to the island of Elba, marking the end of his rule in France.

American forces liberated the Buchenwald concentration camp near Weimar, Germany, during World War II. This was one of the first major concentration camps to be liberated by Allied forces.

President Harry S. Truman relieved General Douglas MacArthur of his command in the Korean War due to insubordination and policy disagreements.

The trial of Adolf Eichmann, a major organizer of the Holocaust, began in Jerusalem, bringing international attention to Nazi war crimes.

Apollo 13, the seventh crewed mission in the Apollo space program and the third intended to land on the Moon, was launched from Kennedy Space Center. The mission was aborted after an oxygen tank exploded, but the crew returned safely to Earth.

The Treaty of Pelindaba was signed, establishing Africa as a nuclear-weapon-free zone, reflecting a significant step in global nuclear disarmament efforts.

The detained crew of a United States EP-3E Aries II surveillance aircraft, which had collided with a Chinese fighter jet and made an emergency landing on Hainan Island, China, was released after 11 days of diplomatic negotiations.

A coup d'état in Venezuela led to the temporary ousting of President Hugo Chávez. He was restored to power two days later after a popular uprising and military support.

Iran announced it had successfully enriched uranium for the first time, a significant step in its nuclear program, which raised international concerns about potential nuclear weapons development.

A bombing at the Minsk Metro in Belarus killed 15 people and injured over 200. The attack was later attributed to two men who were executed for the crime.

The trial of former Egyptian President Hosni Mubarak began, marking a significant moment in Egypt's post-revolutionary period following the Arab Spring.

WikiLeaks founder Julian Assange was arrested by British police at the Ecuadorian Embassy in London after Ecuador withdrew his asylum. He faced extradition to the United States on charges related to the publication of classified documents.