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  1. Year 2000 problem - Wikipedia

    The term year 2000 problem, [1] or simply Y2K, refers to potential computer errors related to the formatting and storage of calendar data for dates in and after the year 2000. Many programs …

  2. Y2K bug | Definition, Hysteria, & Facts | Britannica

    Oct 16, 2025 · Y2K bug, a problem in the coding of computerized systems that was projected to create havoc in computers and computer networks around the world at the beginning of the …

  3. Y2K bug - National Geographic Society

    The Y2K bug was a computer flaw, or bug, that may have caused problems when dealing with dates beyond December 31, 1999. The flaw, faced by computer programmers and users all …

  4. What Is Y2K — And Why Were People So Afraid Of It?

    Dec 31, 2024 · Today, “Y2K” often refers to a popular fashion choice that resembles the styles that were worn in the early 2000s. However, that term stems from what was once a very real …

  5. Y2K Explained: The Real Impact and Myths of the Year 2000 Computer

    Aug 29, 2025 · Y2K, short for the year 2000, referred to fears of a coming disruption of major computer systems worldwide related to a coding shortcut that used only two digits for the year. …

  6. Y2K - National Museum of American History

    Sep 11, 2019 · The term Year 2000 bug, also known as the millennium bug and abbreviated as Y2K, referred to potential computer problems which might have resulted when dates used in …

  7. How the Year 2000 Problem Worked - HowStuffWorks

    The term "Y2K" is a shorthand way of referring to the Year 2000 problem. The problem is that many computer systems store dates using only the last two digits of the year, which could …

  8. Y2K: Looking back on the bug that wasn't - NPR

    Dec 27, 2024 · Zachary Loeb, Purdue University assistant professor, tells NPR's Juana Summers that the real story of Y2k wasn't about computers run amok. It was about experts sounding an …

  9. The Y2K Bug: What Really Happened and Why It Mattered

    Feb 8, 2025 · Also known as the Millenium Bug, the Y2K bug was a computer programming concern that arose from the impending change in the representation of years. Back then, …

  10. The Y2K Bug: Why Turning Off Your Computer Before 12/31/99 …

    The Y2K bug, also known as the Millennium Bug, was a problem in the coding of computerized systems that was projected to create havoc in computers and computer networks around the …