The lake district was unknown until the end of the 18th centry. задать вопросы на !

Was the Lake District unknown until the end of the 18th century?

Was the Lake District unknown until the end of the 18th or 19th century?

What century was the Lake District unknown until?

The Lake District was unknown until the end of the 18th century, wasn't it?

What was unknown until the end of the 18th century?