The ditch was maintained by the state until the mid 19th century.

Nevertheless, a large number of monks continued to maintain the traveling camp until the late 19th century.

It will be largely maintained until the 18th century.

The city declined but maintained a mint until the early 10th century.

Many maintained until the early 20th century their immigrant languages.

As a result, the civilization was able to maintain itself until the 19th century.

It maintained a central role in the administrative and public life of Milan until the late 18th century.

This organizational structure was maintained almost unchanged until the 4th century.

They maintained control, despite several challenges, until the 16th century.

The Shan states would maintain their space until the mid-16th century.