29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
3691354
337500
2
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
mar 1, 1989 - Einführung von ISDN (1989)
Added to timeline:
21 Jan 2020
0
0
145
Zeitleiste
Date:
mar 1, 1989
Now
~ 35 years ago
