In the mid-9th century, on Tarnow’s St. Martin Hill (Gora sw. Marcina, 2,5
kilometes from the center of today’s city), a Slavic gord was established,
probably by the Vistulans. Due to efforts of local archaeologists, we know that
the size of the gord was almost 16 hectares, and it was surrounded by a
rampart. The settlement was probably destroyed in the 1030s or the 1050s,
during either a popular rebellion against Christianity (see Baptism of Poland),
or Czech invasion of Lesser Poland. In the mid-11th century, a new gord was
established on the Biala river. It was a royal property, which in the late 11th
or early