Estonia as an independent country has existed from 1918 onwards. In the Medieval period, modern Estonia was split into several principalities, which, in conjunction with the princes who ruled modern Latvian territories formed the Livonian Confederacy. Between the 16th and 20th centuries, Denmark, Sweden, Poland-Lithuania, and Russia claimed or owned the territory.
This is a pretty simple question.
The lands owned and ruled by the Teutonic Knights within Germany were certainly part of the Holy Roman Empire.
Were the lands of the Teutonic Knights in the Baltic ...