March 6 in History

The Roman emperor was the ruler of the Roman Empire, starting with the granting of the title augustus to Octavian in 27 BC. The title of imperator, originally a military honorific, was usually used alongside caesar, originally a cognomen. When a given Roman is described as becoming emperor in English, it generally reflects his accession as augustus, and later as basileus. Early emperors also used the title princeps alongside other Republican titles, notably consul and pontifex maximus.

The siege of Château Gaillard was a part of Philip II's campaign to conquer John, King of England's continental territories. The French king besieged Château Gaillard, a Norman fortress, for six months. The Anglo-Normans were beaten in the battle and the consequence was the fall of Normandy. The fortress was notable for having been a very technologically advanced castle at the time it was built, having several notable features in its construction such as having notably thick walls ranging from 2.5 to 3.5 meters in thickness and the first stone machicoulis ever constructed within France.

The 1447 papal conclave, meeting in the Roman basilica of Santa Maria sopra Minerva, elected Pope Nicholas V to succeed Pope Eugene IV.

The First Fleet were eleven British ships which transported a group of settlers to mainland Australia, marking the beginning of the British colonisation of Australia. It consisted of two Royal Navy vessels, three storeships and six convict transports under the command of Captain Arthur Phillip. On 13 May 1787, the ships, with over 1,400 convicts, marines, sailors, colonial officials, and free settlers onboard, left Portsmouth and travelled over 24,000 kilometres and over 250 days before arriving in Botany Bay, New South Wales, on 18 January 1788. Governor Arthur Phillip rejected Botany Bay, choosing instead Port Jackson to the north as the site for the new colony; the Fleet arrived there on 26 January 1788. The Fleet established the Colony of New South Wales as a penal colony; the first British settlement in Australia.

Dred Scott v. Sandford, 60 U.S. 393 (1857), was a landmark decision of the United States Supreme Court that held that the United States Constitution did not extend American citizenship to people of black African descent, and therefore they could not enjoy the rights and privileges the Constitution conferred upon American citizens. The decision is widely considered the worst in the Supreme Court's history and is broadly denounced for its overt racism, judicial activism, and poor legal reasoning. It de facto nationalized slavery, and thus played a crucial role in the events that led to the American Civil War four years later. Legal scholar Bernard Schwartz said that it "stands first in any list of the worst Supreme Court decisions." Chief Justice Charles Evans Hughes called it the Court's "greatest self-inflicted wound".

The Scottish National Antarctic Expedition (SNAE), 1902–1904, was organised and led by William Speirs Bruce, a natural scientist and former medical student from the University of Edinburgh. Although overshadowed in terms of prestige by Robert Falcon Scott's concurrent Discovery Expedition, the SNAE completed a full programme of exploration and scientific work. Its achievements included the establishment of a staffed meteorological station, the first in Antarctic territory, and the discovery of new land to the east of the Weddell Sea. Its large collection of biological and geological specimens, together with those from Bruce's earlier travels, led to the establishment of the Scottish Oceanographical Laboratory in 1906.

International Unemployment Day was a coordinated international campaign of marches and demonstrations, marked by hundreds of thousands of people in major cities around the world taking to the streets to protest mass unemployment associated with the Great Depression. The Unemployment Day marches, organized by the Communist International and coordinated by its various member parties, resulted in two deaths of protestors in Berlin, injuries at events in Vienna and the Basque city of Bilbao, and less violent outcomes in London and Sydney.

The Battle of Fardykambos, also known as the Battle of Bougazi, was fought between the National Liberation Front (EAM-ELAS) of the Greek Resistance against the Italian troops during the Axis Occupation of Greece. The battle was notable for the large-scale and spontaneous participation of the local populace, and of officers from other groups and organizations, including right-wing rivals to ELAS.

Cologne is the fourth-most populous city of Germany and the largest city of the German state of North Rhine-Westphalia with nearly 1.1 million inhabitants in the city proper and over 3.1 million people in the Cologne Bonn urban region. Cologne is also part of the Rhine-Ruhr metropolitan region, the second biggest metropolitan region by GDP in the European Union. Centered on the left bank of the Rhine, Cologne is located on the River Rhine, about 35 kilometres (22 mi) southeast of the North Rhine-Westphalia state capital Düsseldorf and 22 kilometres (14 mi) northwest of Bonn, the former capital of West Germany.

Georgy Maximilianovich Malenkov was a Soviet politician who succeeded Joseph Stalin as Premier and the overall leader of the Soviet Union in March 1953. Shortly thereafter, Malenkov entered into a power struggle with the party's First Secretary, Nikita Khrushchev, which culminated in his removal from the premiership in 1955 as well as the Central Committee Presidium in 1957.

The Nation of Islam (NOI) is a religious organization founded in the United States by Wallace Fard Muhammad in 1930. A centralized and hierarchical group committed to black nationalism, it focuses attention on the black African diaspora, especially on African Americans. While describing itself as Islamic and using Islamic terminology, its religious tenets differ substantially from orthodox Islamic traditions. Scholars of religion characterize it as a new religious movement.

Joseph Vissarionovich Stalin was a Soviet revolutionary and politician who led the Soviet Union from 1924 until his death in 1953. He held office as the General Secretary of the Communist Party from 1922 to 1952 and as the premier from 1941 until his death. Despite initially governing the country as part of a collective leadership, he eventually consolidated power to become a dictator by the 1930s. Stalin codified the Communist Party's official interpretation of Marxism as Marxism–Leninism, and his version of it is referred to as Stalinism.

The 1975 Algiers Agreement, also known as the Algiers Accords and the Algiers Declaration, was signed between Iran and Iraq to settle any outstanding territorial disputes along the Iran–Iraq border. Mediated by Algeria, it served as the basis for additional bilateral treaties signed on 13 June 1975 and 26 December 1975. The territorial disputes in question concerned Iraq's Shatt al-Arab and Iran's Khuzestan Province, and Iraq had wished to negotiate to end Iran's support for the then-ongoing Iraqi Kurdish rebellion after suffering a military defeat in the 1974–1975 Shatt al-Arab conflict. On 17 September 1980, shortly after the Iranian Revolution, the Iraqi government abrogated the treaty in light of another series of cross-border clashes between the two countries. On 22 September 1980, the treaty was completely voided with the Iraqi invasion of Iran, which triggered the eight-year-long Iran–Iraq War.

MS Herald of Free Enterprise was a roll-on/roll-off (RORO) ferry which capsized moments after leaving the Belgian port of Zeebrugge on the night of 6 March 1987, killing 193 passengers and crew.

Air Algérie Flight 6289 (AH6289) was an Algerian domestic passenger flight from Tamanrasset to the nation's capital of Algiers with a stopover in Ghardaïa, operated by Algerian national airline Air Algérie. On 6 March 2003, the aircraft operating the flight, a Boeing 737-200, crashed near the Trans-Sahara Highway shortly after taking off from Tamanrasset's Aguenar – Hadj Bey Akhamok Airport, killing all but one of the 103 people on board. At the time of the accident, it was the deadliest aviation disaster on Algerian soil.

Forbes is an American business magazine founded by B. C. Forbes in 1917. It has been owned by the Hong Kong-based investment group Integrated Whale Media Investments since 2014. Its chairman and editor-in-chief is Steve Forbes, while Sherry Phillips has been CEO since January 2025. The company is headquartered in Jersey City, New Jersey.