Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Obtener premium

Create a timeline

Public timelines

About & Feedback Acuerdo Privacidad FAQ

Cabinet Get premium

Donate

In the late 1980s, the first membrane keyboard was invented (19 agos 1980 año – 31 dic 1980 año)

Añadido al timeline:

Evolution of Keyboard

1 oct 2018

1

0

473

fecha:

19 agos 1980 año

31 dic 1980 año

~ 4 months and 14 days

About & Feedback Acuerdo Privacidad FAQ

Cabinet Get premium

Donate

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

Secured with SSL