Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

Create a timeline

Public timelines

About & Feedback Соглашение Приватность FAQ

Cabinet Get premium

Donate

3 янв 1917 г. - in 1917, the navy closed down all amateur radio operations and took control of key radio transmitters to ensure military security

Добавлено на ленту времени:

JOUR 102

18 окт 2018

0

0

511

Дата:

3 янв 1917 г.

Сейчас

~ 108 г назад

About & Feedback Соглашение Приватность FAQ

Cabinet Get premium

Donate

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

Secured with SSL