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

30 Dez 1920 Jahr - Diaphragma invented in the 1920 and made a huge class difference in

Zugefügt zum Band der Zeit:

Unit A contraception

19 Okt 2017

0

0

638

Datum:

30 Dez 1920 Jahr

Jetzt

~ 104 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