In History, Today on April 11

British comedian and television host Paul O'Grady delivered his final show on BBC Radio 2, ending his long tenure on the network.

British Prime Minister Boris Johnson is discharged from the hospital where he was treated for COVID-19, having spent several days in intensive care. His recovery was closely followed worldwide as the pandemic continued to spread.

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.

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

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 crash of a Polish Air Force Tu-154 aircraft near Smolensk, Russia, kills 96 people, including Polish President Lech Kaczyński and many high-ranking Polish officials. The tragedy significantly impacts Polish politics and international relations.

Al-Qaeda conducted a series of bombings in Algiers, Algeria, known as the Algiers bombings, which left 33 people dead and over 200 wounded.

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 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.

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.

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

The London Agreement was signed, attempting to resolve disputes regarding the implementation of Single European Act of 1986.

The software package 'Lotus 1-2-3', a primary application that contributed to the popularity of the IBM PC, was released.

Ugandan dictator Idi Amin was deposed as Ugandan president by Tanzanian troops and Ugandan exiles, ending his eight-year regime.

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

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

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.

Albert Einstein completes his dissertation, 'A New Determination of Molecular Dimensions,' which he submits to the University of Zurich.

The Treaty of Paris, which officially ended the Spanish-American War, was proclaimed by President William McKinley, following its ratification by the United States Senate. The treaty led to the cession of Puerto Rico, Guam, and the Philippines to the United States.

Dean Lynne H. Wood initiated and led the foundation of the College of Engineering at the University of California, Berkeley, which would become one of the top engineering schools in the world.

The Benevolent and Protective Order of Elks was formally incorporated in New York, United States, becoming one of the oldest fraternal orders in the country.

Hungarian Revolution of 1848: The April laws, the first constitution of Hungary, were passed.

The Church of Christ, the first Latter Day Saint denomination, is officially organized by Joseph Smith and five others.

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

Hostilities formally ceased in the American Revolutionary War as a result of the agreement between the United States and Great Britain, following the preliminary articles of peace signed on November 30, 1782.

Last execution for witchcraft in Germany takes place in Kempten.

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.

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

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

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.

Emperor Lý Nhật Tôn ascends to the throne as Emperor of Vietnam, marking an era of consolidation and expansion for the Lý dynasty.

Louis III and Carloman II become joint kings of the Western Franks.

Charlemagne confirms the donation of territories to the Papal States, strengthening the alliance between the Frankish kingdom and the papacy.

Flavius Anastasius I becomes Byzantine Emperor after the death of Zeno.