33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
302633
26493
1
Public Timelines
FAQ Get premium

may 11, 78 - The Seismograph is created in Ancient Han Dynasty, 78 B.C.E

Added to timeline:

Date:

may 11, 78
Now
~ 1948 years ago