First International Day of Climate Action, organized with 350.org, a global campaign to address a claimed global warming crisis.

"Bloody Friday" saw many of the world's stock exchanges experienced the worst declines in their history, with drops of around 10% in most indices.

Justice Rutherford of the Ontario Superior Court of Justice struck down the "motive clause", an important part of the Canadian Anti-Terrorism Act.

Hurricane Wilma makes landfall in Florida resulting in 35 direct 26 indirect fatalities and causing $20.6B USD in damage.

Concorde makes its last commercial flight.

Police arrest spree killers John Allen Muhammad and Lee Boyd Malvo, ending the Beltway sniper attacks in the area around Washington, DC.

Launch of Deep Space 1 comet/asteroid mission

Italian prime minister Giulio Andreotti reveals to the Italian parliament the existence of Gladio, the Italian "stay-behind" clandestine paramilitary NATO army.

Nezar Hindawi is sentenced to 45 years in prison, the longest sentence handed down by a British court, for the attempted bombing on an El Al flight at Heathrow. After the verdict, the United Kingdom breaks diplomatic relations with Syria, claiming that Hindawi is helped by Syrian officials.

Government of Poland legalizes Solidarity trade union

Veterans Day is observed on the fourth Monday in October for the seventh and last time. (The holiday is once again observed on November 11 beginning the following year.)

Yom Kippur War ends

Northern Rhodesia gains independence from the United Kingdom and becomes the Republic of Zambia (Southern Rhodesia remained a colony)

Nedelin catastrophe: An R-16 ballistic missile explodes on the launch pad at the Soviet Union's Baikonur Cosmodrome space facility, killing over 100. Among the dead is Field Marshal Mitrofan Nedelin, whose death is reported to have occurred in a plane crash

The USAF starts the X-20 Dyna-Soar program.

Dwight D. Eisenhower pledges United States support to South Vietnam

Walt Disney testifies to the House Un-American Activities Committee, naming Disney employees he believes to be communists.

A camera on board the V-2 No. 13 rocket takes the first photograph of earth from outer space.

Founding of the United Nations

World War II: The Japanese aircraft carrier ''Zuikaku'', and the battleship Musashi are sunk in the Battle of Leyte Gulf.

The George Washington Bridge opens to public traffic.

A bloodless coup d'état in Brazil ousts Washington Luís Pereira de Sousa, the last President of the First Republic. Getúlio Dornelles Vargas is then installed as "provisional president."

"Black Thursday" stock market crash on the New York Stock Exchange.

Harry Houdini's last performance, which is at the Garrick Theatre in Detroit, Michigan.

The day of the October revolution, The Red Revolution.

Battle of Caporetto; Italy suffers a catastrophic defeat at the forces of Austria-Hungary and Germany on the Austro-Italian front of World War I (lasts until 19 November - also called Twelfth Battle of the Isonzo).

First Balkan War: The Battle of Kumanovo concludes with the Serbian victory.

Orville Wright remains in the air 9 minutes and 45 seconds in a Wright Glider at Kill Devil Hills, North Carolina.

Annie Edson Taylor becomes the first person to go over Niagara Falls in a barrel.

Goodison Park, the world's first association football specific stadium is opened.

The First Transcontinental Telegraph line across the United States is completed, spelling the end for the 18-month-old Pony Express.

Sheffield F.C., the world's first football club, is founded in Sheffield, England.

Napoleonic Wars: The Battle of Maloyaroslavets takes place near Moscow.

Partitions of Poland: The Polish-Lithuanian Commonwealth is completely divided among Austria, Prussia, and Russia

Burr takes his seat as a Senator from the state of New York.

The Peace of Westphalia is signed, marking the end of the Thirty Years' War.

John White, The governor of the second Roanoke Colony, returns to England after an unsuccessful search for the "lost" colonists.

The Treaty of Brétigny is ratified at Calais, marking the end of the first phase of the Hundred Years' War.

Saif ad-Din Qutuz, Mamluk sultan of Egypt, is assassinated by Baibars, who seizes power for himself.

The spectacular Cathedral of Chartres is dedicated in the presence of King Louis IX of France; the cathedral is now a UNESCO World Heritage Site.

After a siege of 4 months crusader knights led by Afonso Henriques, reconquered Lisbon.

Second Battle of Bedriacum, forces under Antonius Primus, the commander of the Danube armies, loyal to Vespasian, defeat the forces of Emperor Vitellius.