29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
3539370
322331
2
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
jan 1, 1540 - Screws being used - Screws became used for clocks, enabling much smaller designs that kept time much better than first models.
Added to timeline:
21 Nov 2019
0
0
291
Maths - History of time
Date:
jan 1, 1540
Now
~ 484 years ago