In History, Today on October 25

A constitutional referendum was held in Chile as voters overwhelmingly approved the drafting of a new constitution, replacing the one dating back to the Pinochet era.

The United States announces the death of ISIS leader Abu Bakr al-Baghdadi during a military operation in Syria.

A package bomb was sent to actor Robert De Niro, as part of a series of similar packages sent to prominent critics of then-U.S. President Donald Trump.

Jacinda Ardern is sworn in as the 40th Prime Minister of New Zealand, becoming the youngest female head of government in the world at the time.

A magnitude 7.5 earthquake strikes the Hindu Kush region in Afghanistan, affecting several countries and causing widespread damage and loss of life.

Tunisia held its first free elections since the Arab Spring protests, marking a significant milestone in the country's path to democracy.

Mount Merapi in Indonesia erupts, leading to the evacuation of thousands of people and resulting in significant casualties and damage.

The Airbus A380, the world's largest passenger airliner, made its first commercial flight from Singapore to Sydney.

Fidel Castro, the long-time leader of Cuba, announced an end to the use of the U.S. dollar in the country. This decision was a response to tightening U.S. restrictions on Cuba. Castro stated that the Cuban convertible peso would replace the dollar in domestic transactions.

Microsoft releases Windows XP, a major operating system that would become one of the most popular versions of Windows.

A commuter train collision occurred at the Aioi Station in Hyogo Prefecture, Japan, resulting in 42 deaths and over 600 injuries. It was one of the deadliest train accidents in Japan's history.

The European Community and the European Free Trade Association reach an agreement to create the European Economic Area.

The Soviet Union's Supreme Soviet passes a law allowing for private ownership of businesses, a significant step towards economic reform and the eventual dissolution of the USSR.

The United States invaded Grenada in Operation Urgent Fury, citing concerns over the safety of American citizens and the presence of a Marxist government. The invasion resulted in a change of government in Grenada.

The United Nations General Assembly voted to admit the People's Republic of China and expel the Republic of China (Taiwan), shifting diplomatic recognition from Taipei to Beijing.

The Battle of Leyte Gulf, one of the largest naval battles in history, concluded. It was a decisive Allied victory in the Pacific Theater of World War II, significantly weakening the Japanese Navy.

The Zinoviev letter, a controversial document purportedly from the Soviet Union urging British communists to engage in seditious activities, was published in the Daily Mail, influencing the British general election.

The League of Nations moved its headquarters to Geneva, Switzerland, marking a significant step in its efforts to maintain world peace after World War I.

The October Revolution begins in Russia with the Bolshevik-led assault on the Winter Palace, marking a crucial turn in the Russian Revolution.

Sir Richard Burton, British explorer, writer, and translator best known for his English translation of One Thousand and One Nights, died.

Pablo Picasso, one of the most influential artists of the 20th century, was born in Málaga, Spain.

The first performance of the full operatic version of Offenbach's 'La Belle Hélène' was given in Paris.

The Toronto Stock Exchange formally opened for trading.

The Charge of the Light Brigade occurred during the Battle of Balaclava in the Crimean War. A miscommunication led to the British light cavalry charging directly into Russian artillery, resulting in heavy casualties.

The Battle of the Alamo Mission in San Antonio began on October 25, 1836, marking the start of this pivotal conflict in Texas' fight for independence from Mexico.

On October 25, 1812, during the Napoleonic Wars, the Battle of Maloyaroslavets took place. This was a significant engagement between the Russian Empire and the Grand Army of Napoleon. The battle was a strategic standoff, and although the French declared victory, it forced Napoleon to retreat along the same ravaged paths that they had advanced, hastening the demise of his army during the Russian campaign.

British forces led by Sir Henry Clinton successfully captured Fort Saint Jean during the American Revolutionary War.

The first trial of James Otis, a prominent colonial lawyer, began in Boston; he famously challenged the Writs of Assistance, which contributed to the growth of American colonial resistance against British rule.

King George III ascends to the throne of Great Britain following the death of his grandfather, King George II.

The Siege of Vienna was lifted, marking the end of the first attempt by the Ottoman Empire, led by Suleiman the Magnificent, to capture the city.

The Battle of Agincourt took place, a major English victory in the Hundred Years' War against France. King Henry V's forces, though heavily outnumbered, defeated the French army, largely due to the effective use of the English longbow.

The Siege of Lisbon ends as the city is captured by Afonso I of Portugal and his Christian forces, marking a significant victory during the Second Crusade.

The Battle of Uhud took place between the early Muslims led by the Prophet Muhammad and the Quraysh tribe of Mecca.

Diocletian is proclaimed emperor by the Roman army after the death of the emperor Carinus.