900 – 1200
- 929
- Albrechtsburg Castle, Meissen
The German King Heinrich I founds Albrechtsburg Castle as a stronghold of German rule along the middle reaches of the River Elbe
- 995
- Rochlitz Castle
First mention of the name ‘Rochilinze’ (Rochlitz), presumably in connection with a castle of the same name
- 1009
- Rochlitz Castle
First direct mention of Rochlitz Castle
- 1046
- Leisnig/Mildenstein Castle and Colditz Castle
First mention in a document of the castle districts of Leisnig and Colditz
- 1068
- Albrechtsburg Castle, Meissen
First immediate burgraves appointed at Meissen Castle, resulting in the tripartition of power at Meissen castle hill (burgrave, margrave, bishop)
- 1084
- Leisnig/Mildenstein Castle and Colditz Castle
Emperor Heinrich IV transfers the castles at Leisnig and Colditz to Wiprecht von Groitzsch
- 1103
- Colditz Castle
Colditz first mentioned as a manor
- 1158
- Leisnig/Mildenstein Castle and Colditz Castle
The castles at Colditz and Leisnig become imperial estates under Emperor Friedrich I (Barbarossa)
- 1162
- Altzella Monastery
Cistercian monastery of Celle (Altzella) near Nossen is founded by Margrave Otto von Meissen by order of Emperor Friedrich I (Barbarossa)
- 1185
- Nossen Castle
A castle district of Nossen is first mentioned
- 1190
- Altzella Monastery
Celle (Altzella) Monastery becomes a family vault of the Wettin dynasty (until 1381)
