41
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
May 31, 2026
244715
21401
2
Create a timeline
Public Timelines
For organizations
For companies
For educational institutions
For teachers
For students
Dashboard
For educational institutions
For teachers
For students
Dashboard
FAQ
Close
Create a timeline
Public timelines
FAQ
About & Feedback
Terms
Privacy
FAQ
Support 24/7
Dashboard
Get premium
Donate
5h 43min, jan 2, 1920 y - Tri ergon group(germany) and Lee de forest(US) made optical sound: took care of synchonization
Added to timeline:
Art History Final
By
Bethany Walker
8 Nov 2017
0
0
433
Date:
5h 43min, jan 2, 1920 y
Now
~ 106 years ago
About & Feedback
Terms
Privacy
FAQ
Support 24/7
Dashboard
Get premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL
