The oldest stained glass in the world is the Augsburg cathedral in Bavaria, Germany (jan 1, 1001 – jan 1, 1396)
Description:
The windows are from 800 to 820, It is from the Cristal art Blog.http://cristalartonline.blogspot.com/2012/08/oldest-stained-glass-at-augsburg.html
Added to timeline:
Date:
jan 1, 1001
jan 1, 1396
~ 395 years