In History, Today on November 1

The United Nations Climate Change Conference (COP26) officially opened in Glasgow, United Kingdom, bringing together delegates from around the world to discuss climate action and strategies to combat climate change.

The United States re-imposed sanctions on Iran that had been lifted under the 2015 nuclear deal, following the U.S. withdrawal from the agreement earlier in the year. This move increased tensions between the two countries and affected global oil markets.

The Paris Agreement was adopted by consensus at the 21st Conference of the Parties of the UNFCCC in Paris, aiming to combat climate change.

The One World Trade Center officially opened in New York City, marking a significant milestone in the reconstruction of the World Trade Center site.

Google launched its first Chromebook, the Samsung Chromebook Series 3, marking a significant step in cloud-based computing.

The global population officially reached 7 billion, according to the United Nations.

The first iPhone was officially released in the United Kingdom, Germany, and France, marking Apple's expansion into the European market.

The Dutch government introduced a ban on the sale of hallucinogenic mushrooms following several incidents involving tourists.

The European Union's first constitution was signed by representatives of the 25 member states in Rome, Italy.

The Serb opposition leader Vojislav Koštunica was inaugurated as the President of Yugoslavia, marking the end of Slobodan Milošević's era in power after he conceded defeat in the wake of mass protests.

The Maastricht Treaty takes effect, formally establishing the European Union.

South Vietnamese President Ngô Đình Diệm was overthrown in a military coup led by General Dương Văn Minh. This event was a turning point in the Vietnam War, leading to U.S. policy reevaluations in the region.

The United States conducts the first successful hydrogen bomb test, codenamed 'Ivy Mike', at Enewetak Atoll in the Pacific Ocean.

The first rabbit born via artificial insemination is announced by scientists in the United States.

The Law on Family Names goes into effect in Turkey, introducing family names for everyone as part of Atatürk's reforms.

The Ottoman Empire is officially dissolved, leading to the establishment of the Republic of Turkey.

World War I: The first naval battle of Coronel is fought between the British Royal Navy and the Imperial German Navy off the coast of Chile.

The first dropping of a bomb from an aircraft in combat occurs during the Italo-Turkish War.

A picture showing the bare breasts of a woman appears in National Geographic magazine for the first time.

Nicholas II becomes the last Tsar of Russia after the death of his father, Alexander III.

The Weather Bureau, later known as the National Weather Service, made its first official meteorological forecast.

In Boston, Massachusetts, the first medical school for women, the Boston Female Medical School, opened its doors.

John Adams becomes the first President of the United States to live in the Executive Mansion (later known as the White House).

The 1755 Lisbon earthquake, followed by a tsunami and fires, destroys much of Lisbon, Portugal, and kills tens of thousands of people.

The British crown colony of New York was subdivided into 12 counties, establishing much of the administrative structure used today.

Shakespeare's play 'The Tempest' was performed for the first recorded time at Whitehall Palace in London.

William Shakespeare's tragedy 'Othello' is performed for the first time, at Whitehall Palace in London.

The All Saints' Flood devastated parts of the Netherlands, England, and Germany, leading to significant loss of life and property.

The Strait of Magellan was first navigated by Ferdinand Magellan during his expedition to circumnavigate the globe.

The ceiling of the Sistine Chapel, painted by Michelangelo, is exhibited to the public for the first time.

The Black Death reaches London, England, having a devastating impact on the city and contributing to one of the most catastrophic public health crises in European history.

King John of England expels Isabella of Angoulême's first husband, Hugues IX le Brun, from England, amidst conflict over territories and alliances.

The Third Lateran Council, convened by Pope Alexander III, concluded. It addressed issues such as the election of popes and the condemnation of simony.

The Counter-Empress Matilda was elected "Lady of the English" in the city of Winchester, England, amid the Anarchy, a civil war between her and King Stephen. This moment was a significant milestone in her campaign to claim the English throne after being originally declared heir by her father, King Henry I.

Emperor Otto III issues a document confirming the privileges of the monastery of San Salvatore in Pavia, Italy.

In China, during the Tang dynasty, the An Lushan Rebellion achieved a significant milestone as the rebel leader Shi Siming recaptured Luoyang, an important imperial city, leading to further destabilization of the Tang administration.

The Alamanni cross the Rhine and invade Gaul. Roman Emperor Valentinian I moves to Paris to command the army and defend the Gallic cities.