Friesland

Georg von Sachsen (Meißen) sold his overlordship of #Oostfreesland (#Ostfriesland) to the future Holy Roman Emperor Charles V (then Archduke of Austria) for 100,000 golden guilders #OnThisDay in 1517; #Frisian is the closest to English of any language...
de.wikipedia.org/wiki/S%C3%A4...