Year

1804

4 sourced events from this year.

Events

1804 Timeline

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Other19th CenturyOceania

Irish Convicts Launch Castle Hill Rebellion

In the British penal colony of New South Wales, Australia, many Irish convicts transported after the 1798 Rebellion of the United Irishmen harbored grievances against colonial authorities. On the evening of March 4, 1804, a signal fire set by convict John Cavenagh at Castle Hill Government Farm alerted around 300 mostly Irish rebels to begin their escape and uprising. Led by veterans including Philip Cunningham, the group aimed to seize arms, march on Parramatta, and ultimately sail to Ireland or secure freedom. Martial law was declared across the colony in response. The poorly armed rebels were pursued by colonial troops under Major George Johnston. The main confrontation occurred the following day at Rouse Hill, where the uprising was quickly suppressed.

Politics19th CenturyEurope

Napoleon Bonaparte Proclaimed Emperor of France

Following the French Revolution and years of political instability, Napoleon Bonaparte had risen through military ranks to become First Consul in 1799, consolidating power amid threats from royalists and foreign coalitions. By 1804, his regime sought to stabilize France and legitimize authority through monarchical forms while retaining revolutionary gains. On May 18, 1804, the French Senate voted to proclaim Napoleon Emperor of the French, transforming the republic into an empire. The move was ratified by plebiscite later that year, and Napoleon crowned himself in a lavish ceremony at Notre-Dame. This shift centralized power further and set the stage for expanded European conflicts.

Politics19th CenturyNorth America

Burr Mortally Wounds Hamilton in Duel

Political tensions in the early American republic ran high after the contentious 1800 election, with Alexander Hamilton, architect of the financial system, repeatedly clashing with Aaron Burr over power and reputation. Hamilton had privately criticized Burr's character and ambitions for years, including remarks at a dinner party that reached Burr through intermediaries. On July 11, the two men met at dawn in Weehawken, New Jersey, to settle the matter with pistols under formal dueling rules common among gentlemen of the era. Burr fired first, striking Hamilton in the abdomen; Hamilton's shot missed or went wide. Hamilton died the following day from his wounds, while Burr fled briefly before returning to his duties as vice president.

Politics19th CenturyEurope

Napoleon Crowns Himself Emperor of the French

Following the turmoil of the French Revolution and years of military success as First Consul, Napoleon Bonaparte sought to legitimize his authority by restoring a monarchical form of government. On December 2, 1804, at Notre-Dame Cathedral in Paris, he staged an elaborate coronation ceremony attended by Pope Pius VII. In a deliberate act of independence from the Church, Napoleon took the crown from the pope and placed it on his own head before crowning his wife Josephine. The event drew thousands of spectators and featured lavish processions through the city. This self-coronation symbolized Napoleon's complete control over France and the beginning of the First French Empire.