Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Das Premium bekommen

Create a timeline

Public timelines

About & Feedback Vereinbarung Privatheit FAQ

Cabinet Get premium

Donate

1 Jan 1920 Jahr - invension del transistor

Zugefügt zum Band der Zeit:

linea tiempo

24 Feb 2020

0

0

241

Datum:

1 Jan 1920 Jahr

Jetzt

~ 105 years ago

About & Feedback Vereinbarung Privatheit FAQ

Cabinet Get premium

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL