16
/
en
AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
22957
1920
2

jan 9, 1904 - Creation of Vacuum Tubes, 1904 CE

Added to timeline:

8 Sep 2017
0
0
182
History of Information Technology Timeline

Date:

jan 9, 1904
Now
~ 114 years ago
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