29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
32331
3102
2
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
aug 4, 1299 BC - chinese use wire and beads to innovate the abacus.
Added to timeline:
13 Sep 2017
0
0
742
calculator
Date:
aug 4, 1299 BC
Now
~ 3326 years ago
