On January 1, 1983, ARPANET officially switched to TCP/IP. This "network of networks" approach is what technically defined the birth of the "Internet". The Internet | Johan Norberg's New and Improved
The journey began in the late 1950s, catalyzed by the Cold War.
They developed TCP/IP (Transmission Control Protocol/Internet Protocol). TCP handles data assembly/disassembly, while IP ensures packets reach the correct address.