Internet History 1962 to 1992(Computer History Museum) This Internet Timeline begins in 1962, before the word 'Internet' is invented. But the four-year old Advanced Research Projects Agency (ARPA) of the U.S. Department of Defense, a future-oriented funder of ‘high-risk, high-gain’ research, lays the groundwork for what becomes the ARPANET and, much later, the Internet.