November 10

King Władysław III of Poland is defeated and killed by Ottoman forces at the Battle of Varna.

Wladyslaw III, king of both Poland and Hungary, died leading a crusading army against the expanding Ottoman Empire at the Battle of Varna, one of the last major European attempts to halt Ottoman advances into the Balkans. His death left both kingdoms without a monarch and dealt a significant setback to Christian resistance against Ottoman expansion for decades.

The Netherlands formally cedes New Netherland to England through the Treaty of Westminster.

The Treaty of Westminster ended the third Anglo-Dutch War and formally transferred the colony of New Netherland, including the settlement of New Amsterdam, permanently to English control. The territory was subsequently renamed New York, and the treaty marked the definitive end of significant Dutch colonial ambitions in North America.

The United States Marine Corps is founded at Tun Tavern in Philadelphia by Samuel Nicholas.

The Continental Congress authorized the raising of two battalions of Marines to serve as an infantry force capable of fighting both at sea and on land, establishing what would become one of the most storied branches of the U.S. military. The Marine Corps has celebrated this founding date as its official birthday ever since.

Journalist Henry Morton Stanley locates missionary and explorer David Livingstone near Lake Tanganyika.

Journalist Henry Morton Stanley, sent by an American newspaper to locate the long-missing missionary explorer, found Livingstone gravely ill but alive near Lake Tanganyika, reportedly greeting him with the now-famous line "Dr. Livingstone, I presume?" Their meeting captivated the Victorian public and became one of the most celebrated episodes of the era's exploration journalism.

A coded message is received indicating that fighting in World War I will cease the following day.

As Allied and German negotiators finalized armistice terms in a railway carriage in France, word reached military commands that fighting would officially cease at 11 a.m. the following morning. The message set in motion the final hours of World War I, a conflict that had claimed millions of lives across more than four years of trench warfare.

The children's television program Sesame Street debuts on National Educational Television in the United States.

Sesame Street debuted with an innovative format combining puppetry, animation, and live-action segments specifically designed using educational research to help prepare preschool-age children, particularly those from disadvantaged backgrounds, for school. The show's blend of entertainment and education proved enormously influential, becoming one of the longest-running and most internationally adapted children's programs ever produced.

The 729-foot freighter SS Edmund Fitzgerald sinks in a storm on Lake Superior, killing its entire crew.

The SS Edmund Fitzgerald, a massive iron ore freighter, sank suddenly during a severe November storm on Lake Superior, taking its entire 29-member crew down with it without a distress call ever being received. The mysterious and sudden nature of the sinking captured public imagination and was later immortalized in Gordon Lightfoot's popular ballad about the disaster.

Bill Gates and Microsoft publicly introduce the Windows operating system to the computing industry.

Bill Gates unveiled Windows as a graphical extension for the MS-DOS operating system, promising an easier, more visual way for users to interact with their computers using a mouse rather than typed commands. Though the initial version faced a lukewarm reception and delayed release, it laid crucial groundwork for Microsoft's eventual dominance of personal computing.

Germans begin dismantling the Berlin Wall in the wake of East Germany's opened border.

Following the surprise opening of Berlin Wall checkpoints the previous night, jubilant Germans on both sides began physically chipping away at the concrete barrier with hammers and tools, in scenes broadcast around the world. The wall's dismantling, both symbolic and literal, became one of the most iconic images marking the end of Communist rule in Eastern Europe.

Armenia and Azerbaijan sign a Russian-brokered ceasefire ending the Second Nagorno-Karabakh War.

The ceasefire, brokered by Russia after intense fighting over the disputed Nagorno-Karabakh region, required Armenia to cede significant territory it had controlled since the early 1990s and allowed the deployment of Russian peacekeeping forces along the new line of contact. The agreement ended six weeks of intense conflict but left underlying tensions between the two nations largely unresolved.