Brandenburg-Prussia tried to claim Crab Island in 1687, but the island was also claimed by other European powers beforehand, and when a second expedition in 1692 found the island under Danish control, the plan was abandoned. In 1689, Brandenburg-Prussia claimed Peter Island, but the small rock proved unsuitable for trade or settlement.
Prussia was a historically prominent German state that originated in 1525 with a duchy centred on the region of Prussia on the southeast coast of the Baltic Sea.It was de facto dissolved by an emergency decree transferring powers of the Prussian government to German Chancellor Franz von Papen in 1932 and de jure by an Allied decree in 1947.
The name for the new state was Brandenburg-Prussia. In the middle of the state was Polish land, but Brandenburg-Prussia was moving away from Poland. Under Frederick William, who was called the Great Elector, Prussia took some new land in Magdeburg and areas west of the Rhine. Kingdom of Prussia