33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
3489475
316914
2
Public Timelines
FAQ

jan 1, 723 - 723 Ad - Yi Xing invents the Meechanical Clock

Description:

China

Added to timeline:

Date:

jan 1, 723
Now
~ 1303 years ago