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 2000 г. до нашей эры - Purification of Water

Описание:

Writings showed that foul water needed to be boiled.

Добавлено на ленту времени:

Water Portfolio Timeline

11 дек 2018

0

0

291

Дата:

1 янв 2000 г. до нашей эры

Сейчас

~ 4028 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