The internet's predecessor, the ARPANET, transmitted its first message in 1969.
Source: tatoeba (9192711)
Arpanet
//ˈɑɹ.pəˌnɛt//
Synonyms for "arpanet"
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4 total sentences available.
ARPANET went online in September, 1969, and connected four computers located in California and Utah.
Source: wiktionary
The ARPANET was especially important to the Internet project, and was often called the backbone network because it was the central WAN that tied researchers together.
Source: wiktionary
It allowed the ARPANET, a single network, to develop into the Internet—an internetwork of hundreds of thousands of networks.
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.