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When Was The Internet Invented?


The Internet Was Invented On January 1, 1983, marking the official adoption of the Transfer Control Protocol/Internetwork Protocol (TCP/IP) across networks like ARPANET. This protocol standardised communication between different computers on varied networks, creating a universal digital language, thereby inaugurating the modern Internet era.

The invention of the internet is a fascinating journey that intertwines with the political and technological evolution of the 20th century. It’s not just about a set of protocols or wires, but a story filled with ambition, necessity, and the relentless pursuit of innovation. When and how was the internet invented? This question opens up a narrative that’s much larger than the creation of a global communication platform. It reflects humanity’s quest for connection, knowledge-sharing, and unbounded exploration. Moreover, it underscores the significance of the internet in modern society—a tool that has reshaped how we communicate, access information, and interact with our world.

Early Foundations

The early whispers of what would become the internet started amidst the tense atmosphere of the Cold War during the 1950s. The USA, feeling the palpable threat of nuclear warfare, acknowledged the urgent need for a robust communication system that could withstand any unforeseeable adversities, particularly a nuclear attack by the Soviet Union​1​. This era also saw the dawn of computer technology, albeit in a very nascent form. Computers during the 1950s and ’60s were colossal, cumbersome machines confined to the halls of academia and military research facilities. The power and potential of these early computers were evident, yet they were highly inaccessible. Researchers often found themselves travelling long distances to use a computer or waiting for magnetic tapes to be sent through the postal system, a scenario that was far from efficient or practical​1​​2​.

These challenges nudged the scientific community to think innovatively. The frustration due to the immobility and inaccessibility of computers led to a groundbreaking idea—sharing computational resources over a network. This concept was not only revolutionary but a glimpse into a future where information could flow seamlessly across the globe. A world where the constraints of geographical location and physical infrastructure would no longer be a barrier to the exchange of ideas and knowledge.

The desire for a robust communication system and the need for accessible computing resources were the primary catalysts propelling the USA into the realm of networking, setting the stage for the invention of the ARPANET, and eventually, the internet. These early foundations marked the beginning of a journey that would lead to the creation of one of humanity’s most remarkable inventions—the internet.

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Precursors to the Internet

Before the internet as we know it came into existence, there were several networking experiments and technologies that set the stage for its creation. These early endeavours provided the foundational understanding and technical expertise necessary for the development of a more expansive and robust network. Key among these were the concepts of packet switching and the establishment of smaller, isolated networks. Packet switching, a method of breaking down data into smaller packets for more efficient transmission across networks, was a revolutionary idea that would later become a core principle of Internet communication.

The Birth of ARPANET

The establishment of ARPANET (Advanced Research Projects Agency Network) marked a significant milestone in the journey towards the internet. The need for a robust communication network became more pronounced after the Soviet Union’s launch of the Sputnik satellite in 1957. This event, apart from being a remarkable achievement in space exploration, was a stark reminder of the technological advancements of the Cold War adversaries. It spurred the U.S. Defense Department to think critically about how information could still be disseminated even after a catastrophic event like a nuclear attack​1​.

ARPANET was conceptualised and developed as a solution to this need for reliable communication. It was designed to allow multiple computers to communicate on a single network, which was groundbreaking at the time. The project was a success, demonstrating the feasibility of a wide-area networking infrastructure. However, its usage was initially limited to certain academic and research organisations that had contracts with the Defense Department. Despite its groundbreaking nature, ARPANET was an exclusive network, not accessible to the wider public or many institutions that could benefit from such a network.

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The success of ARPANET ignited the imagination of many and showcased the potential of a networked world. It sparked the creation of other networks as the idea of digital communication started gaining traction within the academic and research communities. These networks, though separate in their operation, were steps towards a more interconnected world. They embodied the idea of sharing information beyond physical boundaries, planting the seeds for a ‘network of networks’ that would later evolve into the modern internet.

The narrative of ARPANET is not just a tale of technological innovation but a reflection of the collaborative spirit and the endless quest for knowledge that drove the pioneers of the digital age. Through overcoming the limitations of ARPANET, the groundwork was laid for the invention of a platform that would one day become a conduit for global communication and information exchange—the internet.

Packet Switching: The Backbone of Data Transmission

Packet switching is a core technology that underpins the data transmission protocols of the internet. It emerged from the pioneering work of research teams from UCLA and Stanford who, in 1969, embarked on an experiment to demonstrate the feasibility of long-distance networking between computers. The essence of packet switching lies in its ability to break down data into smaller packets for transmission. These packets of data are then sent across various routes within the network and are reassembled at their destination. This method was groundbreaking as it allowed for more efficient use of the network, enabling data to bypass congested or failed nodes and ensuring reliable data transmission even in sub-optimal conditions​1​.

The successful demonstration of packet switching was a pivotal moment in the history of digital communication. It validated the concept of distributed networking, where data could be transmitted efficiently across multiple nodes, paving the way for the development of more advanced networking protocols and the eventual creation of the internet.

Creating a ‘Network of Networks’: The Emergence of TCP/IP

The development of the Transmission Control Protocol/Internet Protocol (TCP/IP) by Vinton Cerf and Bob Kahn in 1980 was a seminal event that catalyzed the evolution of a ‘network of networks’. TCP/IP emerged as a robust set of guidelines for data transfer using packet switching, enabling different networks to communicate with each other seamlessly. The protocols outlined how data should be packetized, addressed, transmitted, routed, and received at the destination, providing a standardized framework for digital communication across diverse network architectures​1​.

The official adoption of TCP/IP on January 1, 1983, was a monumental day that marked the birth of the internet. On this day, ARPANET, which had been the most prominent network, officially transitioned to the TCP/IP standard, setting a precedent for all subsequent networks. This transition was not merely a technical upgrade; it symbolized the unification of myriad networks under a common protocol, thereby giving birth to the internet as we know it today​2​.

The adoption of TCP/IP was a testament to the vision of creating an interconnected world where information could flow freely across geographical and institutional boundaries. It was a significant stride towards the creation of a global communication platform that would revolutionize how society interacts, learns, and evolves. The internet, born out of the need for robust communication, nurtured by the spirit of collaboration, and propelled by the groundbreaking invention of TCP/IP, embarked on a journey of continuous evolution, weaving itself into the very fabric of modern society.

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The Evolution Towards the Modern Internet

The adoption of TCP/IP was a significant leap towards the modern internet, but the journey didn’t stop there. The transition from ARPANET to NSFNET (National Science Foundation Network) marked a new era of digital communication. NSFNET, with its broader reach and inclusion of more educational and research institutions, expanded the scope and accessibility of the network. This transition signified a shift from a primarily military and research-oriented network to a more open and inclusive platform for knowledge sharing and communication.

The 1980s witnessed the global spread of TCP/IP, transcending beyond the borders of the United States. The protocol suite became the standard for digital communication worldwide, facilitating the interconnection of disparate networks across the globe. This period saw the burgeoning of the idea of a truly global network, paving the way for the international collaboration and information exchange we witness today​1​.


The narrative of the internet’s evolution from a military communication network to a global information superhighway is a testament to human ingenuity and the spirit of collaboration. It reflects a journey filled with remarkable milestones, each contributing to shaping the internet into the indispensable tool it is today. The internet, born out of necessity and nurtured through innovation, has morphed into a platform that continually evolves to meet the ever-changing needs of society.

As we reflect on this journey, the continuous evolution of the internet underscores its ever-growing impact on every facet of our lives—from how we communicate, learn, work, to how we perceive and interact with the world around us. The internet has indeed become an integral part of modern society, a tool that fosters global connection, and a catalyst for endless possibilities in the digital age.


  1. National Science and Media Museum. (n.d.). A short history of the Internet. link2.
  2. Britannica. (n.d.). Who Invented the Internet?  link3.
  3. Wikipedia. (n.d.). History of the Internet. link1.
  4. USG. (n.d.). A Brief History of the Internet. link4.

This structured reflection on the internet’s inception and evolution not only pays homage to the pioneers of digital communication but also instils a deeper understanding of the internet’s significance in shaping the modern world.

Jason Kearney

Jason Kearney

Head Internet Technician

Jason Kearney is the Head Technician at SECURE A COM, with qualifications spanning NBN, ADSL, phone, and data cabling. Starting as an electrician, Jason quickly delved into the telecommunications sector, leading crucial projects like the rehabilitation of the Telstra network. With credentials in both managerial and technical aspects, he now specialises in phone line and NBN fault location and repair, serving both homes and businesses with effective and personalised telecommunications solutions

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