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

1 янв 1973 г. - The earliest known use of a bulletin board system by Aperture Science. (Portal ARG)

Описание:

- 1973
- The earliest known use of a bulletin board system by Aperture Science.

Добавлено на ленту времени:

Half-Life and Portal Universe Timeline

ByThe Fancy Fedora

25 дек 2018

1

0

8492

Дата:

1 янв 1973 г.

Сейчас

~ 52 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