Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Ricevere il Premium

Create a timeline

Public timelines

About & Feedback Accordo Privatezza FAQ

Cabinet Get premium

Donate

30 dic 1920 anni - Diaphragma invented in the 1920 and made a huge class difference in

Aggiunto al nastro di tempo:

Unit A contraception

19 ott 2017

0

0

642

Data:

30 dic 1920 anni

Adesso

~ 104 years ago

About & Feedback Accordo Privatezza FAQ

Cabinet Get premium

Donate

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

Secured with SSL