in 1780, similar infant establishments were established in Bavaria
Which infant establishments? Do you mean orphanages or shelters?
The term was coined by the German Friedrich Fröbel, whose approach globally influenced early-years education
Are you talking about German schools or pre-schools? I'm unclear on your focus here.
Most of Thuringia is within the watershed of the Saale, a left tributary of the Elbe
How does the Elbe relate to Bavarian children? Is that where they are located?
 it in  a federal state in central Germany
Okay, so you are focusing on central Germany as your topic. What else can you tell me about Frobel?