 Complete the following phrase:  In 999 Emperor Otto III assigned the province of Gera to the Quedlinburg Abbey. In turn, the church assigned the protectorship of this area in 1209 to the Vogts of Weida in German: Vögte von Weida who served as its administrators. The Vogts of Weida were the ancestors of the Reussians, who ruled Gera until 1918. Gera was first mentioned as a town in 1237, though it is unclear in which year Gera got the municipal law. The small town got circumvallated in the 13th century on an area of 350 x 350 m and the Vogts city castle was built in the south-western corner at todays Burgstraße. A municipal seal was first used in 1350, the council was first named in 1360 and the town hall was mentioned in 1426. The abbess of Quedlinburg remained the formal sovereign of Gera until 1358, as the Wettins followed her up. The Vogts couldnt emancipate theirselfs from Wettin rule. In 1450, Gera was almost totally destroyed during the 