33
/es/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
32331
3102
2
Public Timelines
Public TimelinesFAQ
Public TimelinesFAQ
For educational institutions For teachers For students Cabinet
For educational institutions For teachers For students Open cabinet
Crear
Create a timeline
Public timelines
Library
FAQ

4 agos 1299 año aC - chinese use wire and beads to innovate the abacus.

Añadido al timeline:

calculator

Bysammy
13 sep 2017
0
0
912

fecha:

4 agos 1299 año aC
Ahora mismo
~ 3327 years ago
About & FeedbackAcuerdoPrivacidadBibliotecaFAQ
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL