| 1743 | Founding of a branch of the Herrnhut Unity of Brethren in Dietendorf |
| 1780 | Completion of the Church of the Brethren |
| 1786 | Completion of the Zinzendorfhaus and usage as a nurses’ home |
| 1803 | Conversion of the choir hall |
| 1861 | Moving out of the Girl’s Boarding School |
| 1923 | Moving in of the Economic Women’s School |
| 1945 | Occupation of the area by the Soviet Union |
| 1948 | Closure of the Economic Women’s School |
| 1949 | Moving in of the Protestant-Lutheran Church of Thuringia |
| 1980 | Purchase of the house by the Protestant-Lutheran Church of Thuringia |
| 1991 | Moving in of the Protestant Academy |
| 2007 | Conversion of the house, construction of the guest houses |
