Temný Důl was formerly part of the German Empire. In the German Empire, the place was called Dunkelthal.
The place is now called Temný Důl and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Dunkelthal | Austro-Hungary | Trautenau | before the Treaty of Saint-Germain |
| Temný Důl | Austro-Hungary | Trautenau | before the Treaty of Saint-Germain |
| Temný Důl | Czechoslovakia | Trutnov | after the Treaty of Saint-Germain |
| Dunkelthal | Czechoslovakia | Trutnov | after the Treaty of Saint-Germain |
| Dunkelthal | German Empire | Trautenau | 1938 |
| Temný Důl | Czechoslovakia | Trutnov | 1945 |
| Temný Důl | Czechoslovakia | Trutnov | 1992 |
| Temný Důl | Czech Republic | Trutnov | 1993 |