Windows XP, one of the most popular and widely used versions of the Microsoft Windows operating system, was released for retail sale.

Windows XP is a major release of Microsoft's Windows NT operating system. It was released to manufacturing on August 24, 2001, and later to retail on October 25 that year. It is a direct successor to Windows 2000 for high-end and business users and Windows Me for home users.
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Why this: One of the anniversaries Wikipedia's editors selected for today's date
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Everything in today's pool (43)

World (10)

M 6.5 earthquake, Bonin Islands, Japan regionStrongest in 24 hours · USGS
Earthquake, ChinaHighest alert now · red · GDACS
Special Marine Warning, Volusia-Brevard County Line to Sebastian Inlet 0-20 nmMost severe US alert · severe · National Weather Service
Hurricane VanceStrongest storm now · National Hurricane Center
Elon Musk's Starlink and Starshield, and what they mean to UkraineMost listed this week · Wikipedia
Hitler's Eagle's Nest retreat catches fire, police sayMost listed this week · Wikipedia
Obama slams Trump for years of ‘chaos and cruelty’ while stumping for Democrats in Michigan, OhioMost listed this week · Wikipedia
Spy agency said to assess that social media rumors of N. Korean leader's death are falseMost listed this week · Wikipedia
Seven killed, 34 wounded in attack at funeral in Jordan's Karak, officials sayMost listed this week · Wikipedia
Joint Press Release on the R4 Ministerial Meeting in IstanbulNewest official record · UK Government

Space (5)

Starlink Group 15-16Next launch · Launch Library 2, The Space Devs
International Space StationOverhead now · 18th Space Defense Squadron via Space-Track.org, retrieved from CelesTrak
10 people are in spaceIn space now · Launch Library 2, The Space Devs
Asteroid 2025 UK9Nearest in 60 days · NASA/JPL CNEOS
Kp 4.00 forecastStrongest forecast · NOAA Space Weather Prediction Center

Money (2)

Polish zloty (PLN)Biggest move · European Central Bank
NigeriaShortest life expectancy at birth · World Bank

History (11)

At 49 days, Liz Truss concluded the shortest tenure as prime minister of the United Kingdom.On this day, 2022 · Wikipedia, On this day
Mount Merapi in Central Java, Indonesia, began an increasingly violent series of eruptions that lasted over a month.On this day, 2010 · Wikipedia, On this day
Windows XP, one of the most popular and widely used versions of the Microsoft Windows operating system, was released for retail sale.On this day, 2001 · Wikipedia, On this day
The People's Volunteer Army ambushed the South Korean II Corps at the Battle of Onjong, and elsewhere engaged the 1st Infantry Division at the Battle of Unsan, marking China's entry into the Korean War.On this day, 1950 · Wikipedia, On this day
Heinrich Himmler ordered a crackdown on the Edelweiss Pirates, a nonconformist youth group that assisted army deserters and others hiding from the Nazis.On this day, 1944 · Wikipedia, On this day
USS Tang, the U.S. Navy submarine credited with sinking more ships than any other American submarine, sank when it was struck by its own torpedo.On this day, 1944 · Wikipedia, On this day
Hundreds of students at Armstrong College in Newcastle, England, tarred and feathered Statue of Industry (pictured), a sculpture by Herbert Maryon.On this day, 1929 · Wikipedia, On this day
The Italian cruise liner SS Principessa Mafalda sank when a propeller shaft broke and fractured the hull, resulting in 314 deaths.On this day, 1927 · Wikipedia, On this day
New Britain herald, New Britain, Conn.100 years ago today · Library of Congress, Chronicling America
Pablo Picasso, Spanish painter and sculptor (died 1973)Born on this day, 1881 · Wikipedia, On this day
Geoffrey Chaucer, English philosopher, poet, and author (born c. 1343)Died on this day, 1400 · Wikipedia, On this day

Culture (4)

Claude Cohen-TannoudjiDied this week · Wikipedia, Deaths in 2026
Tom SkerrittDied this week · Wikipedia, Deaths in 2026
FjordNew film this week · Wikidata
Call of Duty: Modern Warfare 4New video game this week · Wikidata

Curious (11)

The KinksFeatured today · Wikipedia
Morning fogs in the Skolivskyi Beskids. At the top there is a church, the highest in Ukraine, Skolovsky city council, Ukraine.Picture of the day · Wikimedia Commons
... that sea balls are also known by a word for "wild goat fur" because they look like hairballs regurgitated by goats?Did you know · Wikipedia, Did you know
... that Swiss filmmaker Kurt Gloor's final film was about prison inmates and people with disabilities on a trekking tour?Did you know · Wikipedia, Did you know
... that parts of an ancient road were exposed following wildfires in Belgium in the summer of 2026?Did you know · Wikipedia, Did you know
... that Erika Yoshida once adapted a Vocaloid song into a light novel, a manga, and a film?Did you know · Wikipedia, Did you know
... that Kanye West recorded "Beauty and the Beast" in his Tokyo hotel room?Did you know · Wikipedia, Did you know
... that Jessie Waddell, who founded New York City's West Indian Day Parade, timed it to fall on the anniversary of her son's death?Did you know · Wikipedia, Did you know
UFC 333Fastest rising yesterday · Wikimedia page views
Jacob MisiorowskiFastest rising yesterday · Wikimedia page views
KehlsteinhausFastest rising yesterday · Wikimedia page views