First mechanical clock
- Who
- Y Xing & Liang Lingzan
- What
- First
- Where
- China
- When
- 01 January 0001
The earliest mechanical clock, i.e. one with an escapement, was completed in China in AD 725 by Yi Xing and Liang Lingzan.
Information from Archives (e.e. 1994). Submitted for use in Scholastic's Modern Marvels.