During the Middle Ages , it was a town of 5,000 to 6,000 inhabitants and its selection as a ducal residence brought another impetus during the 17th and 18th century .
Gotha had already more than 10,000 inhabitants by 1800 .
During the Middle Ages , it was a town of 5,000 to 6,000 inhabitants and its selection as a ducal residence brought another impetus during the 17th and 18th century , so that Gotha had already more than 10,000 inhabitants by 1800 .