The castle and the town were founded in the middle age. In the year of 1280 the town appears as "castrum Sex", only later in 1435 was given, even now used name "Sighisoara".
The archeological researches nearby the town had brought to the surface tools made of stone and metal used by the people.

The researches done by professor Karl Seraghin in 1898 demonstrated that at only 2 miles from the town on the right shore of the Tarnava has been an old community. Diggings at different depths has bought to the surface a huge number of owens, made and used by the people. One of these owens with the diameter of almost 50 feet was recovered and restored. You can see it in the local Museum. Other traces proven that here were huts made using mud. The inventory of the objects found here is composed of little statues that symbols human faces, bird, animals, needles, whistles, buttons, skate made of bone, hammers etc.