The Internet first started in the late 1960s, with ARPANET going live in 1969.

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📜 Key Milestones in the Birth of the Internet

• 1969 – ARPANET launched
The U.S. Department of Defense’s Advanced Research Projects Agency (ARPA) created ARPANET, the first operational packet-switching network. This is widely considered the beginning of the Internet. History
• 1971 – First email sent
Ray Tomlinson developed the first system to send messages between computers, introducing the “@” symbol in email addresses. Uswitch
• 1983 – TCP/IP adopted
The Internet Protocol Suite (TCP/IP) became the standard for ARPANET, allowing different networks to interconnect. This marked the technical foundation of the modern Internet. Wikipedia
• 1989 – World Wide Web invented
Tim Berners-Lee created the World Wide Web, making the Internet accessible to the public through websites and browsers. Uswitch

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🧩 Why 1969 Is Considered the Start

While networking concepts existed earlier, ARPANET’s first successful connection in 1969 is recognized as the Internet’s birth because it was the first time computers could reliably share data across a distributed network. Later developments (like TCP/IP in 1983 and the Web in 1989) expanded its scope and usability.

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✅ In short: The Internet began in 1969 with ARPANET, but it evolved over decades into the global system we use today.

Would you like me to break down the differences between ARPANET (1969), TCP/IP adoption (1983), and the World Wide Web (1989) in a comparison table? That way you can see how each milestone shaped the Internet we know now.

Mahalo

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Clifford "RAY" Hackett I founded www.adapt.org in 1980 it now has over 50 million members.
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