ARPANET (1969): The First Message and Birth of the Internet
The first host-to-host message crossed the ARPANET, the packet-switched network that later developed into the internet.
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The first host-to-host message crossed the ARPANET, the packet-switched network that later developed into the internet.
A short fire on oil-slicked debris became a national symbol of water pollution and helped build support for the Clean Water Act and the EPA.
An estimated 80,000-100,000 barrels of crude oil fouled the coast; public outrage helped produce the National Environmental Policy Act, Earth Day and stronger coastal protection.
The march established an annual tradition of June Pride events that spread to cities across the United States and the world.
The largest women's rights demonstration in the US since the suffrage era drew national attention to the new feminist movement.
Four students were killed and nine wounded, sparking a nationwide student strike that closed hundreds of colleges.
The Moon landing was abandoned after an oxygen tank explosion, but all three astronauts returned safely to Earth on 17 April 1970.
Federal pollution programs were combined into one independent agency, which went on to enforce the Clean Air Act, Clean Water Act and other major environmental laws.
An estimated 20 million Americans took part, building political momentum for the EPA, the Clean Air Act of 1970 and later environmental laws.
The Supreme Court allowed publication to continue on 30 June 1971; charges against Ellsberg were dismissed in 1973 because of government misconduct.
Electronic messages could be sent between users on different computers, and the user@host address format became the standard for email.
Intel began selling the first single-chip microprocessor on the open market, launching the industry that would lead to personal computers and smartphones.