This document provides background information on the origin and development of the internet. It discusses how the concept of a globally interconnected network of computers was first described in the 1960s and research conducted by organizations like RAND, MIT, and NPL in the UK laid the foundations for packet switching technology. It then outlines how DARPA funded the development of the ARPANET in the late 1960s, marking the creation of the first wide-area computer network and the beginnings of what would become the modern internet. The document provides a high-level history of the key events, concepts, and researchers that were instrumental in the invention of this groundbreaking technology.