ARPANET, the precursor to the modern internet, was a groundbreaking network developed by the U.S. Department of Defense's Advanced Research Projects Agency (ARPA) in the late 1960s. It was designed to enable communication between different computer systems and research institutions. The first successful message was sent on October 29, 1969, between UCLA and Stanford Research Institute. This network laid the foundation for the global internet we use today.
The Dawn of the Internet: A Look Back at ARPANET
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May 3, 2026 · 2:39 PM