29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
1430770
109934
2
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
jan 1, 1780 - Christian Gottlieb Kratzenstein julkaisi tutkimustyönsä äänenmuodostuksesta, puhekone. Pietari.
Added to timeline:
21 Dec 2021
0
0
1784
Harmonikan aikajana
Date:
jan 1, 1780
Now
~ 244 years ago