29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
91552
7693
2

dec 15, 1040 - 1040 CE Guido d’Arezzo started using five line notation

Added to timeline:

1 Oct 2017
0
0
668
nolan
Timeline #1

Date:

dec 15, 1040
Now
~ 983 years ago
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