In the 17th century , Tamm was almost completely destroyed during the Thirty Years ' War .
The reconstruction of core buildings , such as the central fortified church of Saint Bartholomew , was n't complete until 25 years after the war 's end in 1648 .
In the 17th century , Tamm was almost completely destroyed during the Thirty Years ' War , and the reconstruction of core buildings , such as the central fortified church of Saint Bartholomew , was n't complete until 25 years after the war 's end in 1648 .