33
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
982442
72273
2
Public Timelines
Public TimelinesFAQ
Public TimelinesFAQ
For educational institutions For teachers For students Cabinet
For educational institutions For teachers For students Open cabinet
Create
Create a timeline
Public timelines
Library
FAQ

dec 23, 1947 - Transistor invented in the US

Added to timeline:

TWRMod Timeline

Byproximexo
10 Aug 2018
3
0
17723

Date:

dec 23, 1947
Now
~ 77 years ago
About & FeedbackTermsPrivacyLibraryFAQ
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL