6 March 1863

The Marine Parade Community Building, the mural cladding of which is the largest installation art in Singapore, was opened.

The Troubles: In Operation Flavius, the Special Air Service killed three volunteers of the Provisional Irish Republican Army conspiring to bomb a parade of British military bands in Gibraltar.

The ferry Herald of Free Enterprise capsized while leaving the harbour of Zeebrugge, Belgium, killing 193 people on board.

Following Joseph Stalin's death, Georgy Malenkov succeeded him as Premier of the Soviet Union.

Petru Groza of the Ploughmen's Front became the first prime minister of the Communist Party-dominated government of Romania.

World War II: National Liberation Front forces defeated Italian occupiers in the Battle of Fardykambos, a major sign of the Greek resistance's growth.

Organized by the Communist International, hundreds of thousands of people in major cities around the world marched to protest mass unemployment associated with the Great Depression.

First Balkan War: The Greek army captured Bizani Fortress, near Ioannina, from the Ottomans.

Scottish National Antarctic Expedition: Led by William Speirs Bruce (pictured), the Antarctic region of Coats Land was discovered by the Scotia.

Giuseppe Verdi's La traviata premiered at La Fenice in Venice, but the performance was considered so bad that it caused him to revise portions of the opera.

Texas Revolution: Mexican troops captured the Alamo Mission in San Antonio from Texian forces after a 13-day siege.

Tommaso Parentucelli was elected as Pope Nicholas V in Rome.

The Abbasid Caliphate executed 42 Byzantine officials who had been captured in the sack of Amorium of 838 for refusing to convert to Islam.

Forbes names Jeff Bezos as the world's richest person, for the first time, at $112 billion net worth.

Air Algérie Flight 6289 crashes at the Aguenar – Hadj Bey Akhamok Airport in Tamanrasset, Algeria, killing 102 out of the 103 people on board.

Three Provisional Irish Republican Army volunteers are shot dead by the SAS in Gibraltar in Operation Flavius.

The British ferry MS Herald of Free Enterprise capsizes in about 90 seconds, killing 193.

In the United Kingdom, a walkout at Cortonwood Colliery in Brampton Bierlow signals the start of a strike that lasted almost a year and involved the majority of the country's miners.

The Zapruder film of the assassination of John F. Kennedy is shown in motion to a national TV audience for the first time by Robert J. Groden and Dick Gregory.

Algiers Accord: Iran and Iraq announce a settlement of their border dispute.

Cold War: Joseph Stalin's daughter Svetlana Alliluyeva defects to the United States.

Constantine II becomes the last King of Greece.

Ghana becomes the first Sub-Saharan country to gain independence from the British.

Georgy Malenkov succeeds Joseph Stalin as Premier of the Soviet Union and First Secretary of the Communist Party of the Soviet Union.